Math, asked by bibekghosh112, 8 months ago

a(a-1)-b(b-1)
Please solve fast and give time is not there!

Answers

Answered by TakenName

1

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

=a²-a-b²+b

=(a²-b²)-(a+b)

By identity

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

By another identity

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

Good luck.

Answered by IamurRishu

2

Answer:

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Step-by-step explanation:

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