X 2 7 4x 5
- X 1 2 7 4x 2 5 14
- X 2 7 2 4x 2 28 5
- 4x + 5x+7+x 2
- 7 (- x 2 )+ 3 (- 4x 5
- (- x 2 3x 7 )-( 4x 2 5x 2
- F x )= 5x 2 7 4x 3
- 6x 5 2 x 7 )+ 4x
- 5 4 x ) 2 (- 4x 7
- Log3 x 2 4x 5 )= log3 7 3x
- X 7 )( x 5 )= 2 4x 21
- (- x 2 4x 3 )+( x 2 5x 7
- 4 2 x 7 5x 15 4x 3
- Ab )( x 2 7 )-( ab )( 4x 5
- 4 x 7 2 4x 2 56x 196
- 4x x 7 )- 4x 2 56