document.write( "Question 169004: Solve equation by factoring\r
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document.write( "1.) 2X^2-5X-3=0\r
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document.write( "2.) X^2+2X=8\r
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document.write( "3.) 2X^3-X^2-28X=0\r
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document.write( "4.) X^2-81=0
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Algebra.Com's Answer #124632 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! 1.) 2X^2-5X-3=0 \n" ); document.write( "(2x+1)(x-3) = 0 \n" ); document.write( "x = {-1/2, 3} \n" ); document.write( ". \n" ); document.write( "2.) X^2+2X=8 \n" ); document.write( "X^2+2X-8=0 \n" ); document.write( "(x-2)(x+4) = 0 \n" ); document.write( "x = {-4, 2} \n" ); document.write( ". \n" ); document.write( "3.) 2X^3-X^2-28X=0 \n" ); document.write( "x(2x^2-x-28)=0 \n" ); document.write( "x(2x+7)(x-4)=0 \n" ); document.write( "x = {-7/2, 0, 4} \n" ); document.write( ". \n" ); document.write( "4.) X^2-81=0 \n" ); document.write( "(x+9)(x-9) = 0 \n" ); document.write( "x = {-9, 9} \n" ); document.write( " \n" ); document.write( " |