6to the second power divided (6+3)+18÷3-3 to the second power show your work will mark brainiest

Comment
These things can be tricky and they can fool you because you are not certain which way to read it. Generally you use BEDMAS.  Brackets Exponents Division Multiplication Addition Subtraction and go from left to right.

That said, solve what you have been given.
6^2 = 36
(3 + 6) = (9) = 9

36/9 = 4

+ 18/3 = 6
- 3^2 = - 9

So let's collect all this together.
4 + 6 - 9 = 1

The answer is 1 <<<<< answer. 

Note
The question is just a bit ambiguous. You may get it wrong if you submit it. You can take out the ambiguity by adding brackets.
(6^2 ÷ (6 + 3)) + (18 ÷ 3)  - 3^2   That's the way I did the question. Follow it now
36 / 9 + 6 - 9 
4 + 6 - 9 = 1  
Brackets make everything clearer especially with the limited editors we use on . We could use latex but that's sometimes hard to do especially for students.

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