Question

factorise , x^2-4y^2​

Answer 1

x² - 4y²

=> (x - 2y)(x+2y)

Answer 2

Answer:

(x-2y)(x+2y)

Step-by-step explanation:

Use the identity a^2-b^2=(a+b)(a-b)

x^2-(2y)^2

=(x-2y) (x+2y)