Question

factorise the following by using suitable identities 4x²-32xy+64y²​

Answer 1

Answer:

By using the identity (a-b)^2= a^2+b^2-2ab, we get

(2x)^2 +(8y)^2 -2(2x × 8y)=(2x-8y)^2

Answer 2

Answer:

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