HOW DO I SOLVE THIS?

PEMDAS (Please Excuse My Dear Aunt Sally) Parenthesis, Exponents, Multiply and Divide Left to right, Add and Subtract left to right.

(11-6)^2 + 6*2 - (3+3)^2

P 1.) 5^2 + 6*2 - 6^2

E 2.) 25 + 6*2 - 36

MD 3.) 25 + 12 - 36

AS 4.) 1