1 2 2x x 2 x 3 0

- 2x 1 )( x 1 2 x 2 3 /( x 4 4 0
- Y 2x 2 1 y 0 x 2 x 3
- 2 2x 4 16 * 2 x 3 2 x 1 16 0
- 2x 3 x 1 6 x 2 2 0
- Log _( 1 2 )( log_8 (( x 2 2x )/( x 3 ))) 0
- X 1 )( x 2 2x 4 )- x 2 x 3 )+ 8 0
- Tìm x 2x 1 2 x 3 2 0
- 3 x 1 2 2x 1 12 x 2 0
- Y 1 4x 2 y 2x 2 x y 3 x = 0
- Tìm x biết 2x 1 2 x 3 2 0
- 6x 3 x 2 2x 3x x 1 )+ 2 0
- X 2 )( x 2 2x 4 )-( x 1 3 7 0