x 4-2x 3 2x 2-x 0, x 4 -2 x 3 - x 2 +2x+1 0, x 3 x 2 x-1 x 4, x 3x-4 x 2 1-x 0, x 3 3x 2-2x 1 0, what is 4 x 3 x 2, 2x 3 + 4x 2 - x, x 3-4x x+1 / 2x-5 0, x 3-2x+4 0, x 4-3x 2+1, 2x 4+4x 3-30x 2, x 3-5x 2-4x+20 0, x 4 3x 3-2 4x 2+5x, x 2-3x-4 0, x 3 -5x 2 -4x +20, 3x-2x 2-4 x 2+5-3x, x 2-3x+4, 2x-3 / x 2-5x+4, 3x 4-5x 3+x 2+2 / x 2+3, 3x-2 4x-3 2-3 x-1, 3x-4 3x+4 - x+3 2, 3+4 x-2 -3-5 x-5
x 4-3x 3 2x 2/x 2-x-30 0. There are any references about x 4-3x 3 2x 2/x 2-x-30 0 in here. you can look below.
