5x 2 4x 9x 2
- (- 5x 2 9x 5 )-( 4x 2 5x 3
- 7x 2 4x 7 9x 7 5x 2
- 5x 4 9x 3 2x 2 4x 8
- 5x 4 9x 3 2x 2 4x 8 0
- 5x 4 9x 3 2x 2 4x 8 x 1
- 5x 2 4x )( 2x 2 9x 3
- 5x 3 4x 2 9x 2
- 3 5x 2 )+ 4x 9x 6 2x
- 5x 2 9x 18 4x 2
- 9x 2 4x )-( 5x 2 3x
- 5x 4x 2 2x 7 )- 6x 2 9x
- 5x 2 9x 4 4x 10 206
- 2x 2 5x 4x 5x 9x
- 5x 2 9x 15 )-( 3x 2 4x 6
- 9x 2 4x 36 5x 20 180