Question

factorise: 4 - (x + y)2​

Answer 1

Answer:

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

Step-by-step explanation:

use a^2-b^2= (a+b)(a-b)

2^2-(x+y)^2

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

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

hope it helps u

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