Question

(2a-b)2 -9c2
factorize it​

Answer 1

Answer:

ANS. = (a + b + 3c) (a + b - 3c)

explanation:

a square + 2 a b + b square = (a + b) square

=> (a+b) square - 9c square

=> (a+b) square - (3c) square

=> USING a square - b square = (a+b)(a-b)

taking a = (a+b)

b = 3c

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