document.write( "Question 206757: factor this and tell me step by step how you get every answer..
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document.write( "9x^3+18x^2-x-2 \n" );
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Algebra.Com's Answer #156271 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! factor this and tell me step by step how you get every answer.. \n" ); document.write( "9x^3+18x^2-x-2 \n" ); document.write( "factor this and tell me step by step how you get every answer.. \n" ); document.write( "9x^3+18x^2-x-2 \n" ); document.write( "------------------- \n" ); document.write( "1st: I check to see if f(1) and/or f(-1) = 0 \n" ); document.write( "2nd: If they do not I graph the equation to find a zero. \n" ); document.write( "Your problem has a zero at x = -2 \n" ); document.write( "So it has a factor of x+2 \n" ); document.write( "------------------------------ \n" ); document.write( "3rd: Then I use synthetic division to find the other Real Number zeroes. \n" ); document.write( "-2)....9....18....-1....-2 \n" ); document.write( ".......9..... 0.....-1...|..0\r \n" ); document.write( "\n" ); document.write( "Since the Quotient is 9x^2-1 \n" ); document.write( "the other factors are (3x-1)(3x+1) \n" ); document.write( "-------------------------------------- \n" ); document.write( "Final Answer: (x+2)(3x-1)(3x+1) \n" ); document.write( "====================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |