X 2 4 2x 7 3
- X 2 7 )( 2x 3 4 )= 0
- X 2 )(- x 3 )+( 2x 4 )( 3x 7
- 2 x 7 )- 3 2x 4 )=- 18
- 2 3x 7 )-( x 2 )=- 4 2x 11 )+ 3x
- 6 x 4 )+ 2 3 3 2x 7 )- 8
- 7 (- 1 x )= 2 3x 4 )- 2x
- 3x 5 x 2 4 2x 7 x 2 4
- 2 3 2x 4 5 x 7 3x 1
- 2 x 1 4 2x 7 3 2 x
- 4 x 2 7 8x 3 2x /- 10
- 3 x 4 )- 4 2x 7 )= 2 x 5
- X 4 2x 7 )= 3x 2
- 7 x 2 4 2x 3 47
- 2 x 3 4 2x 7 6
- 5x 7 6 x 2 )- 4 2x 3