x 3 -5x 2 -4x +20, x 5 10x 3 20x 4 0, 3 x-2 5 x, 4x-3 20-x 3, x 3 -3x 2 -9x-5, x 2-4x x 2-4x-1 -20, x 4 3x 3-2 4x 2+5x, 2 3-x 3 x-4 +15, 20 x 3.5, x/4 5x-2/3 - 7x-3/5, 3x 2-9x-20 x 2+5x+16, x 5+10x 3+20x-4, 3x2-5x-2, 3x-2 4x-3 2-3 x-1, x 2-4x-5, x2-3x 2-8 x2-3x -20, 4x-2 3-x, 4x-3 20-x +4 0, 5x-3x2-2 0, 4x-3 20-x 6x-7 11-x, 3+4 x-2 -3-5 x-5
x 3 -5x 2 -4x 20. There are any references about x 3 -5x 2 -4x 20 in here. you can look below.
x 3 -5x 2 -4x +20
x 5 10x 3 20x 4 0
3 x-2 5 x
4x-3 20-x 3
x 3 -3x 2 -9x-5
x 2-4x x 2-4x-1 -20
x 4 3x 3-2 4x 2+5x
2 3-x 3 x-4 +15
20 x 3.5
x/4 5x-2/3 - 7x-3/5
3x 2-9x-20 x 2+5x+16
x 5+10x 3+20x-4
3x2-5x-2
3x-2 4x-3 2-3 x-1
x 2-4x-5
x2-3x 2-8 x2-3x -20
4x-2 3-x
4x-3 20-x +4 0
5x-3x2-2 0
4x-3 20-x 6x-7 11-x
3+4 x-2 -3-5 x-5
x 3 -5x 2 -4x +20, x 5 10x 3 20x 4 0, 3 x-2 5 x, 4x-3 20-x 3, x 3 -3x 2 -9x-5, x 2-4x x 2-4x-1 -20, x 4 3x 3-2 4x 2+5x, 2 3-x 3 x-4 +15, 20 x 3.5, x/4 5x-2/3 - 7x-3/5, 3x 2-9x-20 x 2+5x+16, x 5+10x 3+20x-4, 3x2-5x-2, 3x-2 4x-3 2-3 x-1, x 2-4x-5, x2-3x 2-8 x2-3x -20, 4x-2 3-x, 4x-3 20-x +4 0, 5x-3x2-2 0, 4x-3 20-x 6x-7 11-x, 3+4 x-2 -3-5 x-5
