Question 332903
3^2 + (6 + 3) x 3 = 36 

The parentheses is placed around (6 + 3).

The Proof:

3^2 + (6 + 3) x 3 = 36 

9 + 9 x 3 = 36

9 + 27 = 36

36 = 36...It checks!