Question

Using the identity (a-b)^2= a square - 2ab + b square, find ( 5a - 7b) ^2​

Answer 1

hope the answer helps u

Answer 2

Hølà mate❤️.

(5a-7b)^2

(5a)^2 + (7b)^2 - 2 into 5a into 7b

25a^2 + 49b^2 - 70ab

hope it helps you.

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