document.write( "Question 169004: Solve equation by factoring\r
\n" ); document.write( "\n" ); document.write( "1.) 2X^2-5X-3=0\r
\n" ); document.write( "\n" ); document.write( "2.) X^2+2X=8\r
\n" ); document.write( "\n" ); document.write( "3.) 2X^3-X^2-28X=0\r
\n" ); document.write( "\n" ); document.write( "4.) X^2-81=0
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Algebra.Com's Answer #124632 by nerdybill(7384)\"\" \"About 
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1.) 2X^2-5X-3=0
\n" ); document.write( "(2x+1)(x-3) = 0
\n" ); document.write( "x = {-1/2, 3}
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\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}
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\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}
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\n" ); document.write( "4.) X^2-81=0
\n" ); document.write( "(x+9)(x-9) = 0
\n" ); document.write( "x = {-9, 9}
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