X 4 2 5x 20
- X 4 5x 3 4x 2 20x 0
- X 4 5x 3 10x 2 20x 24
- X 6 5x 4 4x 2 20 0
- The expression x 20 x 4 )/ 5x 2
- 5x 2 x 4 ≤ 9x 20
- X 4 25x 2 20x 4
- 2x 1 3 x 4 2 5x 20 6
- Giải phương trình x 4 2 5x 20
- X 4 4x 3 5x 2 20x
- Căn x 2 5x 20 4
- Factor x 2 5x 20 4
- 2 4 x )= 18 5x 20
- X 4 5x 3 2x 2 20x 24
- X 4 6x 3 5x 2 32x 20
- 4 2x 5 )+ x 20 2 5x 20