document.write( "Question 257185: How can I factor
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document.write( "18x2 -6x -4???? \n" );
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Algebra.Com's Answer #189114 by edjones(8007)![]() ![]() You can put this solution on YOUR website! 18x2 -6x -4 \n" ); document.write( "2(9x^2-3x-2) \n" ); document.write( "9*-2=-18 the 2 factors of -18 whose sum is -3 are -6 & +3. \n" ); document.write( "2(9x^2+3x-6x-2) \n" ); document.write( "=2(3x(3x+1)-2(3x+2)) Factoring by grouping. \n" ); document.write( "=2(3x-2)(3x+1) \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |