5 x 4 ) 2 3 x 3 ) 2x 1
- 5 x 4 )+ 2 3 x 3 )+ 2x 1
- 3 x 4 2 5 x 3 2 =( 2x 5 )( 4x 1 )- 40
- 5 1 2x )+ 2 3 x )= 3 x 4 )+ 14
- 3 2x 5 )+ 4 x 1 )= 7 x 3 )+ 2 2x 1
- X 2x 5 5 1 2x 2 3 4x 3 x 4
- X x 2 2x 1 5 2x 3 )( x 3 4 0
- 4 x 2 )- 5 2x 6 )= 8 x 1 )- 3 2x 3
- Solve for x 1 4 2x 3 )= 5 x 2 )- 3 x 1
- 2 x 3 )( x 3 )-( 3x 4 )= x 2x 5 )- 18
- X 2 2x 4 x 3 x 2 5x 3 x 5 = 2x 1
- 3x 1 x 1 2x 5 x 3 4 x 2 2x 3 1
- 3 x 11 )/ 4 3 x 1 )/ 5 2 2x 5 )/ 10
- (2x+5)^2 - 4(x+3)(x-3) tại x = 1/20
- 2 x 3 )- 4 x 1 )+ 3 x 5 )= 2x 20
- 3 4 x 1 2 5 x 3 3x 11 2x