document.write( "Question 3490: factor the polynomialhttp://algebra.com/tutors/faq.mpl\r
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document.write( "2x^3-3x^2-18x-8 \n" );
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Algebra.Com's Answer #1566 by khwang(438) ![]() You can put this solution on YOUR website! f(x) = 2x^3-3x^2-18x-8 \n" ); document.write( " = 2x^3 + x^2 -4x^2-18x-8 \n" ); document.write( " = x^2(2x+1) -2(2x^2 + 9x+4) \n" ); document.write( " = x^2(2x+1) -2(2x+1)(x+4) \n" ); document.write( " = (2x+1)(x^2-2x-8) \n" ); document.write( " = (2x+1)(x-4)(x+2) \n" ); document.write( " \n" ); document.write( " Or use syntheic division\r \n" ); document.write( "\n" ); document.write( " 2 -3 -18 -8 (-2 \n" ); document.write( " -4 +14 +8 \n" ); document.write( "------------- \n" ); document.write( " 2 -7 -4 +0 (4 \n" ); document.write( " +8 +4 \n" ); document.write( "--------- \n" ); document.write( " 2 +1 +0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " Kenny\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |