X 2 3 4x 1 4
- X 2 3 4x 1 2x x 4 5
- X 2 x 3 4x 1 4x 1
- 4 2 x 2x 3 4x 1
- 5 2 x 2 )= 3 4x 1 1 4x
- X 3 4x 2 4x 1 0
- 4x 3 x 2 2x 1 ) = 4 3x
- 4x 2 x 3 )=- 7 4x 1
- X 2 1 2 4x 3 4 2 3x 8
- X 4 4x 3 4x 2 1 0
- 3 2 4x 1 3x 5 4 x 2
- X 4 4x 3 6x 2 4x 1
- X 3 y 4 4x )/ 2 (- y )/ 4 1
- X 4 2x 3 3x 2 4x 1 0
- 4x 5 x 3 4x 2 1 0
- 3 2 y 4x )= 4 1 x )- 19