X 2 5 2x 1 0
- 3 x 2 )- 5 2x 1 ) 0
- 4 * 2 2x 5 * 2 x 1 0
- X 1 )( x 2 )( 2x 5 ≥ 0
- 0 25 x 2 )= 0 5 2x 1
- 2 2x 1 7 * 10 x 5 2x 1 0
- 1 2 x 5 )= 0 2x 6
- 2 sin 2x 5 cos x 1 0
- 1 6x x 2 8 0 2x 1 5 0 7
- 2 2x 1 5 * 2 x 88 0
- 5 * 2 2x 2 21 * 2 x 1 1 0
- X 4 2x 1 6 x 5 2 0
- X 1 )( 3x 2 )/ 5 2x 0
- 3 * 9 x 2 * 15 x 5 2x 1 0
- 2 x 5 0 5x 1 2x 4 0 25
- 5x 2 5 4 x 2 2x 1 )= 0