Math, asked by divyamodi2626, 9 months ago

Factorise 2(2a-b)^2+2a-b-15

Answers

Answered by Bidikha
2

Answer:

2(2a-b)²+2a-b-15

=2(4a²+b²-4ab)+2a-b-15

=8a²+2b²-8ab+2a-b-15

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