Math, asked by pradippatil2, 1 year ago

write down the following products (3b + 7) (3b-7)

Answers

Answered by shivamsahil16

3

Answer:

(3b+7) (3b-7)

3b(3b-7) +7(3b-7)

9b^2-21b+21b-49

9b^2-49

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