X 2 )( 2x 2 5x 7
- X 2 6x 7 )( 2x 2 5x 3 )= 0
- X 3 )( 2x 2 5x 7
- X 3 2x 2 5x )-( 3x 2 x 7
- X 5 2 3 2x 2 x 4 5x 7 9x
- X 2 5x 7 2x 2 3x 2 0
- 7 x 2 2x 3 1 x 2 5x 6
- X 2 2x 8 )( 2x 2 5x 7
- X 2 5x 7 )( 2x 2 − 3x 1
- 2x 2 5x x 2 7x 12
- X 2 2x 7 )( 4x 2 5x 2
- 5x x 1 )- 2 2x 2 7x )=- 8
- 2 x 7 )( 3 2x )+( 5x 2 )( 4x 1
- 2x 2 5x 4 x 2 7x 8
- X 2 5x 12 )+( x 2 2x 7
- X 2 5x 7 2 2x 5 2 0