find (6m +7n) (6m-7n)
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Answered by
15
Answer:
(6m+7n)(6m-7n)
=36m²-42mn+42mn-49n²
=36m² - 49n²
=(6m²) - (7n)²
Answered by
10
(a+b) (a-b) = a^2 - b^2
(6m +7n) (6m-7n) = 36m - 49n
(6m×6m) - (7n×7n)
Answer = 36m - 49n
hope it helps you....☺☺
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