X 2 5x 3 2x 5
- 2 x 3 )+ 5x 5 2x 6
- X 4 5x 3 2x 2 5x 1
- P x )= 2x 3 5x 2 2x 5
- X 2 2x 1 5x 3 5x 2
- X 3 2x 2y 2 5x y 5 0
- 5x 12 2 x 1 )= 3 5 2x )+ 4x
- 5x 2 3 1 x )- 2x x 5
- X 3 5x 2 2x (- x 2 3x 5
- 2x 2 5x 3 x 2 5x 6
- 5x 1 5 x 2 3 2x 3 4
- X 2 3 5x 3 4 2x 5
- G x )= 5x 2 3 2x 5 3
- 2 5x 3 2x 2 5 x 10
- 3 x 2 5x và 5 2x 10
- X 2 2x 3 5x 6 5x 14