X 5 )( 2x 7 )= 0
- 5 x )( 2x 7 )( x 3 ) = 0
- 4 x 11 )- 5 2x 7 0
- 4 x 5 )- 3 7 2x )= 0
- 2x 5 x 2 7 0
- X 2 x 5 )( 2x 3 )( x 2 7 )= 0
- 7 2x 6 * 7 x 5 0
- 5 x )( 2x 7 )( x 3 ≤ 0
- 25 x 2 3 x 5 x 2x 7 0
- 4 2x 5 )- 7 6 x )= 0
- 9 7 x )- 5 6 2x )= 0
- Tìm x 4x 2 25 2x 5 2x 7 0
- 2x 7 )( x 5 )( 5x 1 )= 0
- Tìm x biết 4x 2 25 2x 5 2x 7 0
- X 8 )( x 7 )( x2 2x 5 )= 0
- 0.5 x 7 2x 5