2x 2 x 1 ) 5 4 3 x 1
- 2x 2 x 1 )+ 5 4 3 x 1
- 2x 1 2 1 3x )= 3 5 x 2 )+ 1 4 3 x
- 2 x )( 1 2x )+( 1 x )-( x 4 x 3 5x 2 5
- 3 x 11 )/ 4 3 x 1 )/ 5 2 2x 5 )/ 11
- 12 2 x 1 2 4 x 2 )-( x 3 )( 2x 5
- 5 1 2x )+ 2 3 x )= 3 x 4 )+ 14
- 3 x 11 )/ 4 3 x 1 )/ 5 2 2x 5 )/ 10
- 2x 4 3x 5 15 7x x 3 2 5 x 1
- 2 2x 5 )= 3 x 1 )- 42 2x 5 )= 3 x 1 )- 4
- 5 2 x 1 )+ 1 2 2x 4 )= 5 x 3 )+ 8
- 2x 3 x 2 3x 1 căn x 5 x 4 1
- 4 2x 1 )- 2 x 5 )= 5 x 1 )+ 3 verify
- 2x 5 2 4 x 3 )( 3x tại x 1 10
- 3 x 5 )+ 1 4 2x 1 )= 2 x 7 )- 1
- 3 4 x 1 2 5 x 3 3x 11 2x