document.write( "Question 209410: could any one help me with this problem factored.\r
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document.write( " x^2-7x-60 \n" );
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Algebra.Com's Answer #158328 by RAY100(1637)![]() ![]() ![]() You can put this solution on YOUR website! x^2 -7x -60 \n" ); document.write( ". \n" ); document.write( "The sign of the last term, (-), indicates that the factors will have different signs, and be a difference. \n" ); document.write( ". \n" ); document.write( "The sign of the second term,,(-), indicates that the largest factor will be negative,(-) \n" ); document.write( ". \n" ); document.write( "Factors of the first term are just, 1*1 \n" ); document.write( ". \n" ); document.write( "Factors of the last term are, 1*60, 2*30,,3*20, 4*15, 5*12, 6*10, \n" ); document.write( ". \n" ); document.write( "Since we need a difference of 7 (middle term), let's try,,5*12 \n" ); document.write( ". \n" ); document.write( "(x-12)(x+5) \n" ); document.write( ", \n" ); document.write( "Check, by FOIL,, x^2 +5x-12x -60,,,x^2 -7x -60,,,,ok \n" ); document.write( " |