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