document.write( "Question 711404: How do I solve this problem?\r
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document.write( "x^3+3x^3-4x-12=0 \n" );
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Algebra.Com's Answer #437398 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! How do I solve this problem? \n" ); document.write( "x^3+3x^2-4x-12=0 \n" ); document.write( "-------- \n" ); document.write( "I graphed the cubic and found a root at x = -2 \n" ); document.write( "--- \n" ); document.write( "Use synthetic division to find the other zeroes: \n" ); document.write( "-2)....1....3....-4....-12 \n" ); document.write( ".......1....1....-6...|..0\r \n" ); document.write( "\n" ); document.write( "Quotient: x^2 + x -6 \n" ); document.write( "--- \n" ); document.write( "Solve x^2 + x -6 = 0 \n" ); document.write( "Factor:(x+3)(x-2) = 0\r \n" ); document.write( "\n" ); document.write( "Zeroes: x = -2, x = 2, x = -3 \n" ); document.write( "============================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============================== \n" ); document.write( " |