Question

4(x+y)^2-12(x^2-y^2)+9(x-y)^2

Answer 1

HeY MatE !!

HerE IS YouR AnsweR —————

Q => 4(x+y)² - 12(x²-y²)+9(x-y)²

Answer =>

= [2(x+y)]² -2×2×3(x+y)(x-y)+ [3(x-y)]²

{Thus , it forms the identity of

(a-b)² = (a)² + (b)² - 2ab}

= [2(x+y) - 3(x-y)]²

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