Question

*MARKING BRAINLIEST*

Answer 1

Answer:

$(x+y+z)^2$

Step-by-step explanation:

$x^2+2x(y+2)+(y+2)^2$

there is a factoring rule where

$a^2+2ab+b^2=(a+b)^2$

So,

a = x

b = y + z