Math, asked by shashank142007, 4 months ago

Answer fast:- Give me answer with reason step by Step

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Answered by sanabehare228

5

Answer:

I)(A)2m²-5m+6

2)(7a-8b)(7a-8b)

=(7a-8b)²

=(7a)²-2×7a×8b-(8b)²

=49a²-112ab-64b²

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