Question

( x+y+z )² + 2( x+y+z ) +1

Answer 1

Here is your answer hope this helps you.

Answer 2

Answer:

$(x+y+z+1 {)}^{2}$

Step-by-step explanation:

$(x+y+z {)}^{2} +2(x+y+z)+1$

$(x+y+z+1 {)}^{2}$

Hope it is helpful....