document.write( "Question 1071078: Hola, necesito el desarrollo de esta ecuación:
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Algebra.Com's Answer #686007 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "\"%28a+%2B+x%29%2F%28a-x%29+%2B+%28a-2x%29%2F%28a%2B+x%29+=+-4\"\r\n" );
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document.write( "El menor denominador común es (a-x)(a+x).\r\n" );
document.write( "Multiplique cada término por (a-x)(a+x)\r\n" );
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document.write( "Cancelar:\r\n" );
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document.write( "\"%28a+%2B+x%29%28a%2Bx%29+%2B+%28a-x%29%28a-2x%29+=+-4%2A%28a-x%29%28a%2Bx%29\"\r\n" );
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document.write( "Multiplicar:\r\n" );
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document.write( "\"a%5E2%2Bax%2Bax%2Bx%5E2%2Ba%5E2-2ax-ax%2B2x%5E2=-4%28a%5E2%2Bax-ax-x%5E2%29\"\r\n" );
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document.write( "Combine términos parecidos:\r\n" );
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document.write( "\"2a%5E2+-+ax+%2B+3x%5E2+=+-4%28a%5E2-x%5E2%29\"\r\n" );
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document.write( "Distribuir:\r\n" );
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document.write( "\"2a%5E2-ax%2B3x%5E2=-4a%5E2%2B4x%5E2\"\r\n" );
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document.write( "Obtener cero en el lado derecho:\r\n" );
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document.write( "\"-x%5E2+-ax+%2B+6a%5E2=0\"\r\n" );
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document.write( "Multiplicar por -1:\r\n" );
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document.write( "\"x%5E2%2Bax-6a%5E2=0\"\r\n" );
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document.write( "Factor cuadrático:\r\n" );
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document.write( "\"%28x%2B3a%29%28x-2a%29=0\"\r\n" );
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document.write( "Utilizar propiedad de factor cero:\r\n" );
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document.write( "x+3a = 0;  x-2a = 0\r\n" );
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document.write( "Solución para x:\r\n" );
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document.write( "   x = -3a;   x = 2a\r\n" );
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document.write( "Edwin
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