2x 1 3 x 7 2 5
- 2x 1 x 7 3x 2 5
- 5 2x 1 )- 3 3x 2 )= 7 x 4
- Prove 3 x 1 )( x 7 )-( 2x 5 2 is never positive
- 2x 1 5 x 2 3 x 7 15
- 7 x 2 2x 3 1 x 2 5x 6
- 2x 1 2 x 3 2 5 x 7 x 7 0
- 4 2x 1 3 7 3x 2 5
- 2x 1 3 5x 2 7 x 13
- 2x 4 5 3 x 1 7 2
- 2x 1 2 ≥ 5x 3 x 1 7
- 2x 7 (- 3 x 2 1 9 )( 3x 5 18
- 7 x 2 )+ 5 3 2x 1 )+ 1 how many solutions
- X 3 5x 2 2x 1 )( x 7
- 5x2 2x 1 x 2 x 3x 3 7