takyiamos630 takyiamos630

28-08-2020
Physics

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Expand (2x + y) (2x - y).

Respuesta :

eunice1234 eunice1234

28-08-2020

Answer: 4x²-y²

Explanation:

FORMULA

a²-b²=(a+b)(a-b)

-----------------------------

(a+b)(a-b)=a²-b²

(2x+y)(2x-y)=(2x)²-(y)²

=4x²-y²

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