document.write( "Question 148120: Solve: 0 = x^3 - x^2 - 11x - 10
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Algebra.Com's Answer #108514 by stanbon(75887) ![]() You can put this solution on YOUR website! Solve: 0 = x^3 - x^2 - 11x - 10 \n" ); document.write( "-------------- \n" ); document.write( "I graphed to find solutions: \n" ); document.write( "------------------ \n" ); document.write( "Using synthetic division to find the remaining zeroes: \n" ); document.write( "-2)....1....-1....-11....-10 \n" ); document.write( "........1.....-3.....-5...|..0\r \n" ); document.write( "\n" ); document.write( "Quotient = x^2-3x-5 \n" ); document.write( "x = [3 +- sqrt(9 - 4*-5)]/2 \n" ); document.write( "x = [3 +- sqrt(29)]/2 \n" ); document.write( "x = [3+sqrt(29)]/2 or x = [3-sqrt(29)]/2 \n" ); document.write( "x = 4.1925824.. or x = -1.192582... \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |