3 x 2 4x 5 9
- 3 x 2 4x 5 1 9
- 4x 3 )( x 2 )-( 3x 5 )(- x 9
- 2 4x 5 )- 3 x 6 )= 9x 8
- X 3 5 2 4x 9 2x 3
- 3 2 x 4 )+ 5 2x =-( 9x 3 )+ 4x
- 3 x 5 )- 3 2 x 7 )+ 4x 9
- Cho phương trình 3 x 2 4x 5 9
- 3 3x 9 2 4x 5
- 3x 2 5 4x 9 )- 18
- 3x 6 5 x 2 4x 5 9x
- 3 mũ x2 4x 5 9
- 7x 2 )( 2x 3 5 )( x 2 4x 9
- X 2 3 4x 5 6 7x 8 9
- 3 (- x 9 )+ 4x 5 2x 11 )+ x 2