Question

Factorize this question a(a-1)-b(b-1)​

Answer 1

Step-by-step explanation:

This equation is already factorised.

hope it helps

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Answer 2

Answer:

a(a-1) -b(b-1)

a²-a-b²+b

a²-b²-a+b

(a+b) (a-b) -a+b

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