document.write( "Question 728569:
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document.write( "I dont understand how to solve this problem:\r
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document.write( "Original Equation:\r
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document.write( "[(x)/(x-3)] - [(2)/(x+8)]= [(78)/(x^2+5x-24)]\r
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document.write( "What I did:\r
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document.write( "Multiplied left side of the equation to get common denominator:\r
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document.write( "(x+8)[(x)/(x-3)] - (x-3)[(2)/(x+8)]\r
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document.write( "I get this when simplified:\r
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document.write( "[x^2+6x+6/(x^2+5x-24)]=[(78/(x^2+5x-24)]\r
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document.write( "I mult each side by denom: so...\r
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document.write( "x^2+6x+6=78\r
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document.write( "subtract and simplify:\r
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document.write( "x^2+6x-72=0\r
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document.write( "But after this step I find that I can not factor it.\r
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document.write( "If i put no solution in as the answers, it is wrong. When did I go wrong? \n" );
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Algebra.Com's Answer #445513 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! from \n" ); document.write( "[x^2+6x+6/(x^2+5x-24)]=[(78/(x^2+5x-24)] \n" ); document.write( "we get \n" ); document.write( "(x^2+6 x+6)/((x-3) (x+8)) = 78/((x-3) (x+8))\r \n" ); document.write( "\n" ); document.write( "(x^2+6 x-72)/((x-3) (x+8)) = 0 \n" ); document.write( "((x-6) (x+12))/((x-3) (x+8)) = 0 \n" ); document.write( "x=6 \n" ); document.write( "x=-12 \n" ); document.write( " |