document.write( "Question 328245: I need to solve this by factoring and I'm terrible at factoring.
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document.write( "My options are: A)8,-9
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document.write( " B)-8,9
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document.write( " C)-8,-9
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document.write( " D)8,9
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document.write( " E)prime equation, cannot be factored \n" );
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Algebra.Com's Answer #235101 by user_dude2008(1862)![]() ![]() ![]() You can put this solution on YOUR website! x^2+x-72=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x^2+9x-8x-72=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x(x+9)-8(x+9)=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(x-8)(x+9)=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x-8=0 or x+9=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x=8 or x=-9 \n" ); document.write( " |