Order of Operations = Please Excuse My Dear Aunt Sally, PEMDAS. P= Parentheses E=Exponents M= Multiplication D= Division A= Addition and S= Subtraction in that order.
The answer 4-10+12/3+(7^2-7) 4-10+12/3+(49-7) 4-10+12/3+56 4-10+4+56 4-14+56 4-70 -66
