Math, asked by satyanbr, 1 year ago

Factorise
4a^2-12a+9-49b^2

Answers

Answered by 123ria

3

(4a2-12a+9) - 49b2 . factorize
ans: [(2a)2-2(2a)(3)+(3)2] - (7b)2
= [2a-3]2-[7b]2

hope it help

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