Math, asked by mahigoswami1992, 4 months ago

simplify a) ( 8m + 7 n) power 2 b) ( 8m-7n) power 2

Answers

Answered by pihu4976

0

Step-by-step explanation:

a) (8m+7n)²

= (8m)²+2(8m)(7n)+(7n)²

=64m²+112mn+49n²

b) (8m-7n)

=(8m)²-2(8m)(7n)+(7n)²

=64m²-112mn+49n²

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