Bentuk sederhana dari 2/x-1 - 3/x+2

jawab
2/(x - 1) - 3/( x+ 2) =..

= {2(x + 2)  - 3( x -1) }/(x -1)(x+ 2)

= ( 2x + 4 - 3x + 3 ) / (x -1 )(x +2)

= (-x  + 7)/(x² + x - 2)

2/x - 1 - 3/x + 2
2/x - 3/x - 1 + 2
-1/x + 1
- 1/x + 1x/x
x