Hello! :)
Answer:

<u><em>*The answer must have A NEGATIVE SIGN ONLY!*</em></u>
Step-by-step explanation:
Order of operations
PEMDAS
Parenthesis
Exponents
Multiply
Divide
Add
Subtract
Left/Right
First, you do parenthesis.
(-5+1)=-4
7+3²(-4)÷2
Then, you do exponent.
3²=3*3=9
7+9(-4)÷2
Multiply/Divide numbers from left/right.
9*4=36
it change positive to negative sign.
-36÷2=18
7-18
Add/Subtract numbers from left/right.
7-18=-11
<em>, is the final answer.</em>
<em>Hope this helps you!</em>
<em>Have a nice day! :)</em>
<em>:D</em>
<em>-Charlie</em>
<em>Thank you so much! :)</em>