Factorise a(x-y)-b(x-y). – InterviewSolution

InterviewSolution

1.	Factorise a(x-y)-b(x-y).
Answer» Given expression : a(x-y)-b(x-y) Now, (x-y) is common in both terms. `therefore` First factor is (x-y). `therefore a(x-y)-b(x-y)=(x-y)(a-b)`

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