Question

FACTORISE 49a²-126ab+81b²​

Answer 1

Answer:

Hey Mate..!

Step-by-step explanation:

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(7a)²-2*7a*9b+(9b²)

(7a-9b)²

hope it helps you

Answer 2

Answer:

(7a)²-126×a×b+(9b)²

(7a-9b)²

is the answer brother

Step-by-step explanation:

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