x=5 we’ve settled that. now all you have to do is pemdas.
P: (Parentheses)
E: Exponents
M: Multiplication
D: Division
A: Addition
S: Subtraction
1.) replace x as 5 so it looks like this:
(5+3)2
2.) solve inside parentheses.
(8)2
3.) 8x2=16
ANSWER: (x+3)2 = 16
and you can check that!
Have a lovely day and mark me brainliest please.