2x 1 2 3 9
- (- 2x 1 )( x 2 9x 3
- 2x 1 2 x 2 3 9
- 3 2x 1 )+ 2 1 5x )= 9 x
- 2x 3 9x 2 12x 1
- 9x2 6x 1 =( 2x 3 2
- 9 2x 1 )+ 2 2 9x 3 )- 1
- 2x 2 9x 10 )( 1 3 log
- Cosп 2x 9 )/ 3 1 2
- 1 9x 2 3 4 2x
- 2x 1 )( 2x 2 9x 3
- 2x 1 2 4x x 3 )= 9
- 3 2x 1 2 9 extracting square root
- 3 2x 2 1 3x 9
- 2x 2 3 1 2 y 9
- 2x 2 )+( 3x 3 )+( 9x 9 )= 1