5x^2 8x -12 ___________________________________________________ | | 5x^4 3x^3 0x^2 0x -12 x^2-x+4 | | 5x^4 -5x^3 20x^2 |____________________________ 0 8x^3 -20x^2 0x 8x^3 -8x^2 32x ____________________ 0 -12x^2 -32x -12 -12x^2 12x -48 ________________________ 0 -44x 36