document.write( "Question 157458: (x-4)(2x^2+4)+(x+4)(x^3-1)-(x^2-x-1)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " The question ask to combind terms and multiply....Here is my result?????\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "(x*2x^2)+(x*4)+(-4*2X^2)+(-4*4)= 2x^3+4x-8x^2- 16\r
\n" ); document.write( "\n" ); document.write( "= -10x^5-16\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "(x*x^4)+(x*-1)+(4*x^3)+(4*-1)= x^4-x+4x^3-4\r
\n" ); document.write( "\n" ); document.write( "= 4x^6-4\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "x^2-x-1\r
\n" ); document.write( "\n" ); document.write( "= x-1\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "(-10x^5-16)+(4x^6-4)-(x-1)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "= -7x^10-19
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #116048 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\"%28x-4%29%282x%5E2%2B4%29%2B%28x%2B4%29%28x%5E3-1%29-%28x%5E2-x-1%29\"=\r
\n" ); document.write( "\n" ); document.write( "\"%282x%5E3%2B4x+-8x%5E2+-16%29+%2B+%28x%5E4-1x+%2B4x%5E3-4%29+-+%28x%5E2-x-1%29\"=\r
\n" ); document.write( "\n" ); document.write( "\"%28x%5E4%29+%2B+%282x%5E3+%2B+4x%5E3%29+-+%288x%5E2%2Bx%5E2%29%2B4x-%2816%2B4-1%29\"=\r
\n" ); document.write( "\n" ); document.write( "\"x%5E4+%2B+6x%5E3+-+9x%5E2+%2B+4x+-19\"
\n" ); document.write( "
\n" ); document.write( "
\n" );