2x 3 2 x 1 0
- 2x 3 3x 2 x 1 0
- 2 2x 3 9 2 x 1 0
- 2x 3 2 4 x 1 2 0
- 2x 2 sqrt 3 * x 1 0
- 2 sin 2x 3 sin x 1 0
- 3 x 2 )- 5 2x 1 ) 0
- 2x 3 )( x 2 )- x 2x 1 )- 6 0
- X 5 x 4 2x 3 2x 2 x 1 0
- X 4 3x 3 2x 2 3x 1 0
- X 4 2x 3 13x 2 2x 1 0
- Log 5 2x 3 log 0 2 x 1
- Log x 3 3x 2 2x 1 0
- 5 2x log x 2 4x 3 x 1 0
- 2x 3 5x 2 x 1 0
- 2x 3 2 4x x 1 )= 0