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<?xml-stylesheet type="text/xsl" media="screen" href="/~d/styles/atom10full.xsl"?><?xml-stylesheet type="text/css" media="screen" href="http://feeds.feedburner.com/~d/styles/itemcontent.css"?><feed xmlns="http://www.w3.org/2005/Atom" xmlns:openSearch="http://a9.com/-/spec/opensearch/1.1/" xmlns:georss="http://www.georss.org/georss" xmlns:gd="http://schemas.google.com/g/2005" xmlns:thr="http://purl.org/syndication/thread/1.0" xmlns:feedburner="http://rssnamespace.org/feedburner/ext/1.0" gd:etag="W/&quot;C04HRHY-cCp7ImA9WhRRFEk.&quot;"><id>tag:blogger.com,1999:blog-3249092294487025518</id><updated>2011-11-27T18:58:55.858-06:00</updated><category term="algebra" /><category term="Matemáticas" /><category term="Geometria analitica" /><category term="ceneval" /><category term="Grafica de una ecuacion" /><category term="Ecuaciones lineales de primer grado" /><category term="Geometria" /><title>Tareas de Matemáticas</title><subtitle type="html">Espacio para publicar contenidos relacionados con Matemáticas.
Preparación para examenes ordinarios, extraordinarios, ceneval, preparatoria abierta, educación para adultos.
Secundaria, Preparatoria.</subtitle><link rel="http://schemas.google.com/g/2005#feed" type="application/atom+xml" href="http://tareasdematematicasmfq.blogspot.com/feeds/posts/default" /><link rel="alternate" type="text/html" href="http://tareasdematematicasmfq.blogspot.com/" /><author><name>Chela5808</name><uri>http://www.blogger.com/profile/13682537617026988246</uri><email>noreply@blogger.com</email><gd:image rel="http://schemas.google.com/g/2005#thumbnail" width="28" height="32" src="http://4.bp.blogspot.com/_vYdZopwlTyA/SlP-MggEqAI/AAAAAAAAC5c/Oc5P0wALTJI/S220/chela5808.png" /></author><generator version="7.00" uri="http://www.blogger.com">Blogger</generator><openSearch:totalResults>11</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>25</openSearch:itemsPerPage><atom10:link xmlns:atom10="http://www.w3.org/2005/Atom" rel="self" type="application/atom+xml" href="http://feeds.feedburner.com/TareasDeMatemticas" /><feedburner:info uri="tareasdematemticas" /><atom10:link xmlns:atom10="http://www.w3.org/2005/Atom" rel="hub" href="http://pubsubhubbub.appspot.com/" /><entry gd:etag="W/&quot;DEQBRH09fSp7ImA9Wx5QF0k.&quot;"><id>tag:blogger.com,1999:blog-3249092294487025518.post-3308851138081864336</id><published>2010-09-05T23:09:00.001-05:00</published><updated>2010-09-05T23:12:35.365-05:00</updated><app:edited xmlns:app="http://www.w3.org/2007/app">2010-09-05T23:12:35.365-05:00</app:edited><title>Productos Notables</title><content type="html">&lt;h4&gt;&lt;span&gt;&lt;span style="color: rgb(0, 144, 0);"&gt;&lt;b&gt;Definición de productos notables&lt;/b&gt;&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;&lt;/h4&gt;Son multiplicaciones de polinomios que se resuelven por simple inspección y se clasifican en:&lt;br /&gt;&lt;ul&gt;&lt;li&gt;Binomio al cuadrado &lt;/li&gt;&lt;li&gt;Binomios conjugados &lt;/li&gt;&lt;li&gt;Binomios con término común &lt;/li&gt;&lt;li&gt;Binomio al cubo&lt;/li&gt;&lt;/ul&gt; &lt;a name="Binomio_al_cuadrado" class="knol-anchor-headings"&gt;&lt;/a&gt;&lt;h4&gt;&lt;span&gt;&lt;span style="color: rgb(0, 144, 0);"&gt;&lt;b&gt;Binomio al cuadrado&lt;br /&gt;&lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;/h4&gt;Es de la forma&lt;span style="font-size:130%;"&gt; &lt;img alt="(a+b)^2" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%28a%2Bb%29%5E2" /&gt;&lt;/span&gt; y al desarrollarlo se obtiene un trinomio cuadrado perfecto, esto es:&lt;br /&gt;&lt;br /&gt;&lt;div style="text-align: center;"&gt;&lt;img alt="(a+b)^2=a^2+2ab+b^2" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%28a%2Bb%29%5E2%3Da%5E2%2B2ab%2Bb%5E2" /&gt;&lt;br /&gt;&lt;/div&gt;Su desarrollo es:&lt;br /&gt;&lt;br /&gt;&lt;div&gt; &lt;/div&gt; &lt;table style="border-collapse: collapse; border-color: rgb(136, 136, 136); border-width: 1px; margin-left: auto; margin-right: auto; text-align: left;" border="1" cellspacing="0" height="64" width="515"&gt; &lt;tbody&gt; &lt;tr&gt; &lt;td style="width: 600px;"&gt; &lt;div style="text-align: center;"&gt;&lt;i&gt;&lt;span style="font-size:85%;"&gt;El  cuadrado de un binomio es igual al cuadrado del primer término, más el  doble producto del primero por el segundo, más el cuadrado del segundo  término.&lt;/span&gt;&lt;/i&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;br /&gt;&lt;i&gt;&lt;b&gt;Ejemplo:&lt;/b&gt;&lt;/i&gt;&lt;br /&gt;El resultado de &lt;img alt="(3x+2y)^2" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%283x%2B2y%29%5E2" /&gt; es:&lt;br /&gt;&lt;br /&gt;&lt;table style="border-collapse: collapse; border-color: rgb(136, 136, 136); border-width: 0pt; color: rgb(106, 168, 79); width: 600px;" border="0" cellspacing="0"&gt; &lt;tbody&gt; &lt;tr&gt; &lt;td&gt;a)  &lt;img alt="9x+12xy+4y" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=9x%2B12xy%2B4y" /&gt;&lt;/td&gt; &lt;td&gt;b)  &lt;img alt="9x^2+6xy+4y^2" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=9x%5E2%2B6xy%2B4y%5E2" /&gt;&lt;/td&gt;&lt;/tr&gt; &lt;tr&gt; &lt;td&gt;c)  &lt;img alt="6x^2+12xy+4y^2" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=6x%5E2%2B12xy%2B4y%5E2" /&gt;&lt;/td&gt; &lt;td&gt;d)  &lt;img alt="9x^2+12xy+4y^2" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=9x%5E2%2B12xy%2B4y%5E2" /&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;br /&gt;&lt;b&gt;&lt;i&gt;Solución:&lt;/i&gt;&lt;/b&gt;&lt;br /&gt;Desarrollando, se obtiene:&lt;br /&gt;&lt;div style="text-align: center;"&gt;&lt;img alt="(3x+2y)^2=(3x)^2+2(3x\cdot 2y)+(2y)^2" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%283x%2B2y%29%5E2%3D%283x%29%5E2%2B2%283x%5Ccdot%202y%29%2B%282y%29%5E2" /&gt;&lt;br /&gt;&lt;/div&gt;&lt;br /&gt;&lt;div style="text-align: center;"&gt;&lt;img alt="=9x^2+12xy+4y^2" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%3D9x%5E2%2B12xy%2B4y%5E2" /&gt;&lt;br /&gt;&lt;/div&gt;&lt;br /&gt;La respuesta correcta corresponde al inciso d).&lt;br /&gt;&lt;br /&gt; &lt;a name="Binomios_conjugados" class="knol-anchor-headings"&gt;&lt;/a&gt;&lt;h4&gt;&lt;span&gt;&lt;span style="color: rgb(0, 144, 0);"&gt;&lt;b&gt;Binomios conjugados&lt;br /&gt;&lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;/h4&gt;Son de la forma &lt;img alt="(a+b)(a-b)" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%28a%2Bb%29%28a-b%29" /&gt;,  su característica principal es que tienen los mismos términos, pero uno  de ellos tienen signo contrario y al realizar el producto se obtiene  una diferencia de cuadrados, esto es:&lt;br /&gt;&lt;br /&gt;&lt;div style="text-align: center;"&gt;&lt;img alt="(a+b)(a-b)=a^2-b^2" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%28a%2Bb%29%28a-b%29%3Da%5E2-b%5E2" /&gt;&lt;br /&gt;&lt;/div&gt;Su desarrollo es:&lt;br /&gt;&lt;br /&gt;&lt;div style="text-align: center;"&gt; &lt;div align="center"&gt; &lt;table style="border-collapse: collapse; border-color: rgb(136, 136, 136); border-width: 1px;" border="1" cellspacing="0" height="64" width="515"&gt; &lt;tbody&gt; &lt;tr&gt; &lt;td style="width: 600px;"&gt; &lt;div style="text-align: center;"&gt;&lt;span style="font-size:85%;"&gt;&lt;i&gt;El producto de dos binomios conjugados es igual a la diferencia entre&lt;br /&gt;los cuadrados de ambos términos. &lt;/i&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;br /&gt;&lt;br /&gt;&lt;i&gt;&lt;b&gt;Ejemplo:&lt;/b&gt;&lt;/i&gt;&lt;br /&gt;Al desarrollar &lt;img alt="(x+8)(x-8)" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%28x%2B8%29%28x-8%29" /&gt; se obtiene:&lt;br /&gt;&lt;br /&gt;&lt;table style="border-collapse: collapse; border-color: rgb(136, 136, 136); border-width: 0pt; color: rgb(106, 168, 79); width: 600px;" border="0" cellspacing="0"&gt; &lt;tbody&gt; &lt;tr&gt; &lt;td&gt;a)  &lt;img alt="x^2+64" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=x%5E2%2B64" /&gt;&lt;/td&gt; &lt;td&gt;b)  &lt;img alt="x^2+16" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=x%5E2%2B16" /&gt;&lt;/td&gt;&lt;/tr&gt; &lt;tr&gt; &lt;td&gt;c)  &lt;img alt="x^2-64" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=x%5E2-64" /&gt;&lt;/td&gt; &lt;td&gt;d)  &lt;img alt="x^2-16" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=x%5E2-16" /&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;br /&gt;&lt;b&gt;&lt;i&gt;Solución:&lt;/i&gt;&lt;/b&gt;&lt;br /&gt;Desarrollando, se obtiene:&lt;br /&gt;&lt;br /&gt;&lt;div style="text-align: center;"&gt;&lt;img alt="(x+8)(x-8)=(x)^2-(8x)+(8x)-64" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%28x%2B8%29%28x-8%29%3D%28x%29%5E2-%288x%29%2B%288x%29-64" /&gt;&lt;br /&gt;&lt;br /&gt;&lt;img alt="=x^2-64" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%3Dx%5E2-64" /&gt;&lt;br /&gt;&lt;/div&gt;&lt;br /&gt;La respuesta correcta es el inciso c).&lt;br /&gt;&lt;br /&gt; &lt;a name="Binomios_con_t(C3)(A9)rmino_com(C3)(BA)n" class="knol-anchor-headings"&gt;&lt;/a&gt;&lt;h4&gt;&lt;span&gt;&lt;span style="color: rgb(0, 144, 0);"&gt;&lt;b&gt;Binomios con término común&lt;br /&gt;&lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;/h4&gt;Son de la forma &lt;img alt="(x+a)(x+b)" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%28x%2Ba%29%28x%2Bb%29" /&gt;,  su característica principal es que sólo un elemento se repite en ambos  paréntesis y al realizar el producto se obtiene un trinomio, esto es:&lt;br /&gt;&lt;br /&gt;&lt;div style="text-align: center;"&gt;&lt;img alt="(x+a)(x+b)=x^2+(a+b)x+ab" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%28x%2Ba%29%28x%2Bb%29%3Dx%5E2%2B%28a%2Bb%29x%2Bab" /&gt;&lt;br /&gt;&lt;br /&gt;&lt;/div&gt;Su desarrollo es:&lt;br /&gt;&lt;br /&gt;&lt;div style="text-align: center;"&gt; &lt;div align="center"&gt; &lt;table style="border-collapse: collapse; border-color: rgb(136, 136, 136); border-width: 1px;" border="1" cellspacing="0" height="77" width="515"&gt; &lt;tbody&gt; &lt;tr&gt; &lt;td style="width: 600px;"&gt; &lt;div style="text-align: center;"&gt;&lt;i&gt;&lt;span style="font-size:85%;"&gt;El producto de dos binomios con término común es igual al cuadrado&lt;br /&gt;del término común, más la suma de los términos no comunes por el&lt;br /&gt;común, más el producto de los no comunes&lt;/span&gt;&lt;/i&gt;&lt;b&gt;&lt;i&gt;&lt;span style="font-size:85%;"&gt;&lt;br /&gt;&lt;/span&gt;&lt;/i&gt;&lt;/b&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;br /&gt;&lt;br /&gt;&lt;i&gt;&lt;b&gt;Ejemplo:&lt;/b&gt;&lt;/i&gt;&lt;br /&gt;El resultado de &lt;img alt="(x+2)(x-4)" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%28x%2B2%29%28x-4%29" /&gt; es:&lt;br /&gt;&lt;br /&gt;&lt;table style="border-collapse: collapse; border-color: rgb(136, 136, 136); border-width: 0pt; color: rgb(106, 168, 79); width: 600px;" border="0" cellspacing="0"&gt; &lt;tbody&gt; &lt;tr&gt; &lt;td&gt;a)  &lt;img alt="x^2-2x-8" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=x%5E2-2x-8" /&gt;&lt;/td&gt; &lt;td&gt;b)  &lt;img alt="x^2-2x+8" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=x%5E2-2x%2B8" /&gt;&lt;/td&gt;&lt;/tr&gt; &lt;tr&gt; &lt;td&gt;c)  &lt;img alt="x^2+2x+8" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=x%5E2%2B2x%2B8" /&gt;&lt;/td&gt; &lt;td&gt;d)  &lt;img alt="x^2+2x-8" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=x%5E2%2B2x-8" /&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;br /&gt;&lt;b&gt;&lt;i&gt;Solución:&lt;/i&gt;&lt;/b&gt;&lt;br /&gt;Desarrollando, se obtiene:&lt;br /&gt;&lt;div style="text-align: center;"&gt;&lt;img alt="(x+2)(x-4)=(x)^2+(2-4)x+((2)(-4))" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%28x%2B2%29%28x-4%29%3D%28x%29%5E2%2B%282-4%29x%2B%28%282%29%28-4%29%29" /&gt;&lt;br /&gt;&lt;br /&gt;&lt;img alt="=x^2-2x-8" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%3Dx%5E2-2x-8" /&gt;&lt;br /&gt;&lt;/div&gt;&lt;br /&gt;La respuesta correcta corresponde al inciso a).&lt;br /&gt;&lt;a name="Binomio_al_cubo" class="knol-anchor-headings"&gt;&lt;/a&gt;&lt;h4&gt;&lt;span&gt;&lt;span style="color: rgb(0, 144, 0);"&gt;&lt;b&gt;Binomio al cubo&lt;br /&gt;&lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;/h4&gt;Son de la forma &lt;img alt="(a+b)^3" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%28a%2Bb%29%5E3" /&gt; y al desarrollarlo se obtiene un polinomio de cuatro términos.&lt;br /&gt;&lt;br /&gt;Su desarrollo es:&lt;br /&gt;&lt;br /&gt;&lt;div style="text-align: center;"&gt; &lt;div align="center"&gt; &lt;table style="border-collapse: collapse; border-color: rgb(136, 136, 136); border-width: 1px;" border="1" cellspacing="0" height="103" width="515"&gt; &lt;tbody&gt; &lt;tr&gt; &lt;td style="width: 600px;"&gt; &lt;div style="text-align: center;"&gt;&lt;span style="font-size:85%;"&gt;&lt;i&gt;El cubo de un binomio es igual al cubo del primer término, más el triple&lt;br /&gt;producto del cuadrado del primer término por el segundo, más el triple&lt;br /&gt;producto del primero por el cuadrado del segundo,&lt;br /&gt;más el cubo del segundo término.&lt;/i&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;br /&gt;&lt;br /&gt;&lt;i&gt;&lt;b&gt;Ejemplo:&lt;/b&gt;&lt;/i&gt;&lt;br /&gt;El resultado de &lt;img alt="(x+2)^3" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%28x%2B2%29%5E3" /&gt; es:&lt;br /&gt;&lt;br /&gt;&lt;table style="border-collapse: collapse; border-color: rgb(136, 136, 136); border-width: 0pt; color: rgb(106, 168, 79); width: 600px;" border="0" cellspacing="0"&gt; &lt;tbody&gt; &lt;tr&gt; &lt;td&gt;a)  &lt;img alt="x^3-8" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=x%5E3-8" /&gt;&lt;/td&gt; &lt;td&gt;b)  &lt;img alt="x^3-6x^2+12x-8" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=x%5E3-6x%5E2%2B12x-8" /&gt;&lt;/td&gt;&lt;/tr&gt; &lt;tr&gt; &lt;td&gt;c)  &lt;img alt="x^3+8" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=x%5E3%2B8" /&gt;&lt;/td&gt; &lt;td&gt;d)  &lt;img alt="x^3+6x^2+12x+8" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=x%5E3%2B6x%5E2%2B12x%2B8" /&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;br /&gt;&lt;b&gt;&lt;i&gt;Solución:&lt;/i&gt;&lt;/b&gt;&lt;br /&gt;Al desarrollar el binomio se obtiene:&lt;br /&gt;&lt;br /&gt;&lt;img alt="(x+2)^3=(x)^3+3(x)^2(2)+3(x)(2)^2+(2)^3" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%28x%2B2%29%5E3%3D%28x%29%5E3%2B3%28x%29%5E2%282%29%2B3%28x%29%282%29%5E2%2B%282%29%5E3" /&gt;&lt;br /&gt;&lt;br /&gt;&lt;img alt="=x^3+3(x^2)(2)+3(x)(4)+(8)" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%3Dx%5E3%2B3%28x%5E2%29%282%29%2B3%28x%29%284%29%2B%288%29" /&gt;&lt;br /&gt;&lt;br /&gt;&lt;img alt="=x^3+6x^2+12x+8" src="https://www.google.com/chart?cht=tx&amp;amp;chf=bg,s,FFFFFF00&amp;amp;chco=000000&amp;amp;chl=%3Dx%5E3%2B6x%5E2%2B12x%2B8" /&gt;&lt;br /&gt;&lt;br /&gt;La respuesta correcta corresponde al inciso d).&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/3249092294487025518-3308851138081864336?l=tareasdematematicasmfq.blogspot.com' alt='' /&gt;&lt;/div&gt;
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Se llama &lt;b&gt;factores&lt;/b&gt; o &lt;b&gt;divisores&lt;/b&gt; de una expresión algebraica a las expresiones algebraicas que multiplicadas entre sí dan como producto la primera expresión.&lt;br /&gt;&lt;br /&gt;Así, multiplicando &lt;font size="4"&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;a&lt;/span&gt;&lt;/i&gt;&lt;span style="font-family: times new roman,serif;"&gt;&lt;sup&gt;2&lt;/sup&gt;&lt;/span&gt;&lt;/font&gt; por &lt;font size="4"&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;a+b&lt;/span&gt;&lt;/i&gt;&lt;/font&gt; tenemos :&lt;br /&gt;&lt;br /&gt;&lt;div style="color: rgb(11, 83, 148); text-align: center;"&gt;&lt;p&gt;&lt;img alt="a^2(a+b)=a^3+a^2b\," src="http://www.wikieducator.org/images/math/e/5/0/e50958e5781a2b1c54cf4422f02ac93c.png"&gt; &lt;/p&gt;&lt;/div&gt; &lt;font size="4"&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;a&lt;/span&gt;&lt;/i&gt;&lt;span style="font-family: times new roman,serif;"&gt;&lt;sup&gt;2&lt;/sup&gt;&lt;/span&gt;&lt;/font&gt;&lt;font size="4"&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt; &lt;/span&gt;&lt;/i&gt;&lt;/font&gt;y&lt;font size="4"&gt;&lt;span style="font-family: times new roman,serif;"&gt; (&lt;/span&gt;&lt;/font&gt;&lt;font size="5"&gt;&lt;font size="4"&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;a&lt;/span&gt;&lt;span style="font-family: times new roman,serif;"&gt;+&lt;/span&gt;&lt;/i&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;b&lt;/span&gt;&lt;/i&gt;&lt;span style="font-family: times new roman,serif;"&gt;)&lt;/span&gt;&lt;/font&gt;&lt;/font&gt;, que multiplicadas entre sí dan como producto &lt;font size="4"&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;a&lt;/span&gt;&lt;/i&gt;&lt;span style="font-family: times new roman,serif;"&gt;&lt;sup&gt;3&lt;/sup&gt;&lt;/span&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;+ &lt;/span&gt;&lt;/i&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;a&lt;/span&gt;&lt;/i&gt;&lt;sup&gt;&lt;span style="font-family: times new roman,serif;"&gt;2&lt;/span&gt;&lt;/sup&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;b&lt;/span&gt;&lt;/i&gt;&lt;/font&gt;, son factores o divisores de &lt;font size="4"&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;a&lt;/span&gt;&lt;/i&gt;&lt;span style="font-family: times new roman,serif;"&gt;&lt;sup&gt;3&lt;/sup&gt;&lt;/span&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;+ &lt;/span&gt;&lt;/i&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;a&lt;/span&gt;&lt;/i&gt;&lt;sup&gt;&lt;span style="font-family: times new roman,serif;"&gt;2&lt;/span&gt;&lt;/sup&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;b&lt;/span&gt;&lt;/i&gt;&lt;/font&gt;.&lt;br /&gt;&lt;br /&gt;Igualmente:&lt;br /&gt;&lt;div style="text-align: center;"&gt;&lt;p&gt;&lt;img alt="(x+1)(x-3)=x^2-2x-3\," src="http://www.wikieducator.org/images/math/e/4/d/e4da30fb12fce1a8ee5fe71bda6875ed.png"&gt; &lt;/p&gt; &lt;div style="text-align: left;"&gt;&lt;br /&gt;luego, (&lt;font size="4"&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;x&lt;/span&gt;&lt;/i&gt;&lt;span style="font-family: times new roman,serif;"&gt;&lt;i&gt;+&lt;/i&gt;&lt;/span&gt;&lt;span style="font-family: times new roman,serif;"&gt;1) y (&lt;/span&gt;&lt;/font&gt; &lt;font size="4"&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;x&lt;/span&gt;&lt;/i&gt;&lt;/font&gt;&lt;font size="4"&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;−&lt;/span&gt;&lt;/i&gt;&lt;/font&gt;&lt;font size="4"&gt;&lt;span style="font-family: times new roman,serif;"&gt;3)&lt;/span&gt;&lt;/font&gt; son factores de &lt;font size="4"&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;x&lt;/span&gt;&lt;/i&gt;&lt;span style="font-family: times new roman,serif;"&gt;&lt;sup&gt;2&lt;/sup&gt;&lt;/span&gt;&lt;/font&gt;&lt;font size="4"&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;−&lt;/span&gt;&lt;/i&gt;&lt;/font&gt;&lt;font size="4"&gt;&lt;span style="font-family: times new roman,serif;"&gt;2&lt;/span&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;x&lt;/span&gt;&lt;/i&gt;&lt;/font&gt;&lt;font size="4"&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;−&lt;/span&gt;&lt;/i&gt;&lt;/font&gt;&lt;font size="4"&gt;&lt;span style="font-family: times new roman,serif;"&gt;3&lt;/span&gt;&lt;/font&gt;&lt;/div&gt; &lt;/div&gt;&lt;br /&gt;&lt;h2&gt;&lt;br /&gt;&lt;/h2&gt;&lt;a name="Definici(C3)(B3)n" class="knol-anchor-headings"&gt;&lt;/a&gt;&lt;h2&gt;&lt;span&gt;&lt;span style="color: rgb(0, 144, 0);"&gt;&lt;b&gt;Definición&lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;br /&gt;&lt;div style="text-align: center;"&gt; &lt;table style="border-color: rgb(136, 136, 136); border-width: 1px; border-collapse: collapse;" height="62" width="602" border="1" bordercolor="#888888" cellspacing="0"&gt; &lt;tbody&gt; &lt;tr&gt; &lt;td style="width: 60px;"&gt;&lt;div&gt;&lt;font size="4"&gt;Factorizar una expresión algebraica es convertirla en&lt;br /&gt;el producto indicado de sus factores.&lt;/font&gt;&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/tbody&gt; &lt;/table&gt; &lt;/div&gt;&lt;br /&gt;&lt;h2&gt;&lt;span&gt;&lt;span style="color: rgb(0, 144, 0);"&gt; &lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;  &lt;a name="Factorizar_un_monomio" class="knol-anchor-headings"&gt;&lt;/a&gt;&lt;h2&gt;&lt;span&gt;&lt;span style="color: rgb(0, 144, 0);"&gt;&lt;b&gt;Factorizar un monomio&lt;br /&gt;&lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt; Los factores de un monomio se pueden hallar por simple inspección. Así, los factores de &lt;font size="4"&gt;&lt;span style="font-family: times new roman,serif;"&gt;21&lt;/span&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;a&lt;/span&gt;&lt;/i&gt;&lt;sup&gt;&lt;span style="font-family: times new roman,serif;"&gt;2&lt;/span&gt;&lt;/sup&gt;&lt;/font&gt;&lt;font size="4"&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;c&lt;/span&gt;&lt;/i&gt;&lt;sup&gt;&lt;span style="font-family: times new roman,serif;"&gt;3&lt;/span&gt;&lt;/sup&gt;&lt;/font&gt; son:&lt;br /&gt;&lt;br /&gt;&lt;div style="text-align: center;"&gt;&lt;p&gt;&lt;img alt="7, 3, a, a, c, c, c\," src="http://www.wikieducator.org/images/math/4/d/0/4d0a940a1cfaf008ca634e3701892e34.png"&gt;&lt;br /&gt;&lt;/p&gt;&lt;p style="text-align: left;"&gt;Por tanto: &lt;/p&gt;&lt;/div&gt;&lt;div style="text-align: center;"&gt;&lt;p&gt;&lt;img alt="21a^2c^3=7\cdot 3\cdot a\cdot a\cdot c\cdot c\cdot c" src="http://www.wikieducator.org/images/math/3/6/f/36fec85361523aa76e4fb9dcf16425ab.png"&gt; &lt;/p&gt; &lt;/div&gt;&lt;h2&gt; &lt;/h2&gt; &lt;a name="Factorizar_un_polinomio" class="knol-anchor-headings"&gt;&lt;/a&gt;&lt;h2&gt;&lt;span&gt;&lt;span style="color: rgb(0, 144, 0);"&gt;&lt;b&gt;Factorizar un polinomio&lt;br /&gt;&lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt; No todo polinomio se puede descomponer en dos o más factores distindos de la unidad, pues del mismo modo que, en Aritmética, hay números primos que sólo son divisibles entre ellos mismo y por la "unidad", hay expresiones algebraicas que sólo son divisibles por ellas mismas y por la "unidad", y que, por tanto, no son el productos de otras expresiones algebraicas. Así &lt;font size="4"&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;a+b&lt;/span&gt;&lt;/i&gt;&lt;/font&gt; no puede descomponers en dos factores distinos de 1 porque sólo es divisible por &lt;font size="4"&gt;&lt;i&gt;&lt;span style="font-family: times new roman,serif;"&gt;a+b&lt;/span&gt;&lt;/i&gt;&lt;/font&gt; y por &lt;font size="4"&gt;&lt;span style="font-family: times new roman,serif;"&gt;1&lt;/span&gt;&lt;/font&gt;.&lt;br /&gt;&lt;br /&gt;&lt;a name="Prueba_general_de_factorizaci(C3)(B3)n" class="knol-anchor-headings"&gt;&lt;/a&gt;&lt;h2&gt;&lt;span&gt;&lt;span style="color: rgb(0, 144, 0);"&gt;&lt;b&gt;Prueba general de factorización&lt;br /&gt;&lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;En cualquiera de los casos que estudiaremos, la prueba consiste en multiplicar los factores obtenidos, su producto tiene que ser igual a la expresión que se ha factorizado.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;Ejemplo:&lt;/b&gt;&lt;br /&gt;Al factorizar la expresión &lt;img alt="21a^2c^3+7a^3c\," src="http://www.wikieducator.org/images/math/1/9/d/19d10835ee2c20660e31377ddc99e1df.png"&gt;  se obtiene:&lt;br /&gt;&lt;br /&gt;&lt;p style="text-align: center;"&gt;&lt;img alt="21a^2c^3+7a^3c=(7a^2c)(3c^2+a)\," src="http://www.wikieducator.org/images/math/c/e/c/cec6dc61c0fa639744da3f00a2c89d33.png"&gt;&lt;/p&gt;&lt;p&gt;La prueba consiste en multiplicar los factores obtenidos. El resultado deberá ser la expresión original:&lt;/p&gt;&lt;p style="text-align: center;"&gt;&lt;img alt="(7a^2c)(3c^2+a)=21a^2c^3+7a^3c\," src="http://www.wikieducator.org/images/math/1/d/3/1d389ac7d569cb890217989bd9b4a845.png"&gt; &lt;/p&gt;&lt;a name="Casos_de_factorizaci(C3)(B3)n" class="knol-anchor-headings"&gt;&lt;/a&gt;&lt;h2&gt;&lt;span&gt;&lt;span style="color: rgb(0, 144, 0);"&gt;&lt;b&gt;Casos de factorización&lt;br /&gt;&lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;/h2&gt;&lt;br /&gt;&lt;a name="1(2E)(2D)_Todos_los_t(C3)(A9)rminos_de_un_polinomio_tienen_un_factor_com(C3)(BA)n" class="knol-anchor-headings"&gt;&lt;/a&gt;&lt;h4&gt;&lt;b&gt;1.- Todos los términos de un polinomio tienen un factor común&lt;/b&gt;&lt;/h4&gt;&lt;br /&gt;&lt;a name="2(2E)(2D)_Factor_com(C3)(BA)n_por_agrupaci(C3)(B3)n_de_t(C3)(A9)rminos" class="knol-anchor-headings"&gt;&lt;/a&gt;&lt;h4&gt;&lt;b&gt;2.- Factor común por agrupación de términos&lt;/b&gt;&lt;/h4&gt;&lt;br /&gt;&lt;a name="3(2E)(2D)_Trinomio_cuadrado_perfecto" class="knol-anchor-headings"&gt;&lt;/a&gt;&lt;h4&gt;&lt;b&gt;3.- Trinomio cuadrado perfecto&lt;/b&gt;&lt;/h4&gt;&lt;br /&gt;&lt;a name="4(2E)(2D)_Diferencia_de_cuadrados_perfectos" class="knol-anchor-headings"&gt;&lt;/a&gt;&lt;h4&gt;&lt;b&gt;4.- Diferencia de cuadrados perfectos&lt;/b&gt;&lt;/h4&gt;&lt;br /&gt;&lt;a name="5(2E)(2D)_Trinomio_cuadrado_perfecto_por_adici(C3)(B3)n_y_sustracci(C3)(B3)n" class="knol-anchor-headings"&gt;&lt;/a&gt;&lt;h4&gt;&lt;b&gt;5.- Trinomio cuadrado perfecto por adición y sustracción&lt;/b&gt;&lt;/h4&gt;&lt;br /&gt;&lt;a name="6(2E)(2D)_Trinomio_de_la_forma_x2_(2B)_bx_(2B)_c" class="knol-anchor-headings"&gt;&lt;/a&gt;&lt;h4&gt;&lt;b&gt;6.- Trinomio de la forma &lt;font style="color: rgb(11, 83, 148); font-family: times new roman,serif;" size="4"&gt;&lt;i&gt;x&lt;/i&gt;&lt;sup&gt;2&lt;/sup&gt; + b&lt;i&gt;x&lt;/i&gt; + c&lt;/font&gt;&lt;/b&gt;&lt;/h4&gt;&lt;br /&gt;&lt;a name="7(2E)(2D)_Trinommio_de_la_forma_ax2_(2B)_bx_(2B)_c" class="knol-anchor-headings"&gt;&lt;/a&gt;&lt;h4&gt;&lt;b&gt;7.- Trinommio de la forma &lt;font&gt;&lt;font style="color: rgb(11, 83, 148); font-family: times new roman,serif;" size="4"&gt;a&lt;i&gt;x&lt;/i&gt;&lt;sup&gt;2&lt;/sup&gt; + b&lt;i&gt;x&lt;/i&gt; + c&lt;/font&gt;&lt;/font&gt;&lt;/b&gt;&lt;/h4&gt;&lt;br /&gt;&lt;a name="8(2E)(2D)_Cubo_perfecto_de_binomios" class="knol-anchor-headings"&gt;&lt;/a&gt;&lt;h4&gt;&lt;b&gt;8.- Cubo perfecto de binomios&lt;/b&gt;&lt;/h4&gt;&lt;br /&gt;&lt;a name="9(2E)(2D)_Suma_o_diferencia_de_cubos_perfectos" class="knol-anchor-headings"&gt;&lt;/a&gt;&lt;h4&gt;&lt;b&gt;9.- Suma o diferencia de cubos perfectos&lt;/b&gt;&lt;/h4&gt;&lt;br /&gt;&lt;a name="10(2E)(2D)_Suma_o_diferencia_de_dos_potencias_iguales" class="knol-anchor-headings"&gt;&lt;/a&gt;&lt;h4&gt;&lt;b&gt;10.- Suma o diferencia de dos potencias iguales&lt;br /&gt;&lt;/b&gt;&lt;/h4&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/3249092294487025518-2503768695910503957?l=tareasdematematicasmfq.blogspot.com' alt='' /&gt;&lt;/div&gt;
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