document.write( "Question 34177: solve by factoring
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document.write( "isn't the answer = x- 9 ? \n" );
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Algebra.Com's Answer #20469 by elephantsize(7)![]() ![]() ![]() You can put this solution on YOUR website! x^2 - 7x - 12 = 6 \n" ); document.write( "=>x^2 - 7x - 18 = 0 \n" ); document.write( "=>x^2 - 9x + 2x - 18 = 0 \n" ); document.write( "=>x(x-9) + 2(x-9) = 0 \n" ); document.write( "=>(x+2)(x-9) = 0 \n" ); document.write( "Here there are 2 possibilities ---- \n" ); document.write( "1) x+2 = 0/(x-9) \n" ); document.write( " x+2 = 0 \n" ); document.write( " x= -2 \n" ); document.write( " \n" ); document.write( " OR\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2) x-9 = 0/(x+2) \n" ); document.write( " x-9 = 0 \n" ); document.write( " x = 9 \r \n" ); document.write( "\n" ); document.write( "So the answer can be either x = -2 OR x = 9 \n" ); document.write( " |