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