document.write( "Question 452467: For the polynomial below, -2 is a zero. \r
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document.write( "g(x)=x^3 -2x^2 -11x -6\r
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document.write( "Express g(x) as a product of linear factors. \r
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document.write( "g(x)= \n" );
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Algebra.Com's Answer #311024 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! For the polynomial below, -2 is a zero. \n" ); document.write( "g(x)=x^3 -2x^2 -11x -6 \n" ); document.write( "--- \n" ); document.write( "-2)....1....-2....-11....-6 \n" ); document.write( "........1.....-4.....-3...|..0\r \n" ); document.write( "\n" ); document.write( "Quotient: x^2-4x-3 \n" ); document.write( "Solve x^2-4x-3 = 0 \n" ); document.write( "x = [4+-sqrt(16-4*-3)]/2 = [4+-sqrt(28)]/2 \n" ); document.write( "------ \n" ); document.write( "x = [4 +- 2sqrt(7)]/2 \n" ); document.write( "---- \n" ); document.write( "x = 2+sqrt(7) or x = 2-sqrt(7) \n" ); document.write( "==================================\r \n" ); document.write( "\n" ); document.write( "Express g(x) as a product of linear factors. \n" ); document.write( "g(x) = (x+2)(x-2-sqrt(7))(x-2+sqrt(7)) \n" ); document.write( "======================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |