MCQ
The factorisation of $ax + bx - ay - by$ is:
- ✓$(x - y) (a + b)$
- B$(x + y) (a + b)$
- C$(x - y) (a - b)$
- D$(x + y) (a - b)$
✓
Answer
Correct option: A.
$(x - y) (a + b)$
$= ax + bx - ay - by$
$= x(a + b) - y(a + b)$
$= (x - y)(a + b)$
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