document.write( "Question 782009: Caso de trinomios cuadrados perfectos. Factorizar:\r
\n" ); document.write( "\n" ); document.write( "d. a^2+2ab+b^2
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Algebra.Com's Answer #476199 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
Aquello es una forma comun. Muy bien reconocida.\r
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\n" ); document.write( "\n" ); document.write( "Use la regla distrubuida:\r
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\n" ); document.write( "\n" ); document.write( "\"%28a%2Bb%29%28a%2Bb%29\"
\n" ); document.write( "\"%28a%2Bb%29a%2B%28a%2Bb%29b\"
\n" ); document.write( "\"a%5E2%2Bab%2Bab%2Bb%5E2\"
\n" ); document.write( "\"a%5E2%2B2ab%2Bb%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "En resumen, \"%28a%2Bb%29%5E2=%28a%2Bb%29%28a%2Bb%29=a%5E2%2B2ab%2Bb%5E2\"
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