document.write( "Question 209557: factor: 2x^5 + x^4 - 8x^3 - 4x^2 \n" ); document.write( "
Algebra.Com's Answer #158440 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! factor: 2x^5 + x^4 - 8x^3 - 4x^2 \n" ); document.write( "---- \n" ); document.write( "x^2(2x^3 + x^2 - 8x - 4) \n" ); document.write( "--- \n" ); document.write( "I graphed the cubic and found a zero at x = 2 \n" ); document.write( "Then using synthetic division I got:\r \n" ); document.write( "\n" ); document.write( "2)....2.....1.....-8.....-4 \n" ); document.write( ".......2.....5......2....|..0\r \n" ); document.write( "\n" ); document.write( "Quotient: 2x^2+5x+2 = (2x+1)(x+2)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "= x^2(2x+1)(x-2)(x+2) \n" ); document.write( "============================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "Reply to stanbon@comcast.net \n" ); document.write( " |