X 2 (- x 4 9x 3 1
- X 4 x 3 11x 2 9x 18
- X 4 x 3 11x 2 9x 18 0
- X 4 x 3 7x 2 9x 18
- X 4 x 3 7x 2 9x 18 0
- 2x 4 x 3 9x 2 13x 5 0
- 2x 4 x 3 9x 2 13x 5
- X 5 x 4 9x 3 11x 2 4x
- X 4 2x 3 9x 2 18x
- X 4 2x 3 9x 2 18x 0
- X 2 9x 8 2x 4 16x 3
- X 4 2x 3 9x 2 10x 24
- X 4 9x 3 16x 2 x 3
- F x )=- x 4 9x 3 24x 2 16x
- X 4 x 3 9x 2 3x 18
- X 4 x 3 9x 2 11x 4 0