Math, asked by satyamgupta3909, 8 months ago

Factorize: a² – 4b² + 28bc – 49c²

Answers

Answered by hmangaihteakhupchawn

2

Answer:

a2-4b2+28bc-49c2

a2-(4b2-28bc+49c2) a2-{(2b)2-2(2b)(7c)+(7c)2} a2-(2b-7c) 2 =(a-2b+7c) (a+2b-7c)

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