Question

(x+2y) (x-2y) is simplified as
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Answer 1

Answer:

$(x + 2y)(x - 2y) = (x - y) {}^{2}$

Answer 2

Answer:

$\huge \color{aqua} \underline \mathbb{GIVEN }:$

➡ (x+2y) (x-2y)

It resembles ,

(a+b) (a-b)

We know that,

$\LARGE \boxed{(a+b) (a-b) = {a}^{2} - {b}^{2} }$

$= > {x}^{2} - 4 {y}^{2}$

hope it helps....