X 2 2 m 1 ) m 2 0
- X 2 2 m 1 )+ m 2 0
- X 2 2 m 1 x m 2 5 0
- X 2 2 m 1 x m 2 3 0
- X 2 2 m 1 x m 2 2m 0
- Mx 2 2 m 1 x m 2 0
- X 2 2mx m 2 1 2 0
- X 2 2 m 1 x 4m m 2 0
- X 2 2 m 1 x m 2 3m 0
- X 2 2 m 1 x m 2 4 0
- X 2 2 m 1 x m 2 9 0
- Cho pt x 2 2 m 1 x m 2 0
- X 2 2 m 1 x m 2 2m 3 0
- X 2 2 m 1 x m 2 2m 5 0
- X 2 m 1 xm 2 m 2 0
- X 2 2 m 1 x m 2 3m 4 0