Order of Operations:

To simplify the expression follow the order of operations: (PEMDAS)

1.      Evaluate the expressions inside the Parenthesis/Brackets (P).

2.      Evaluate Powers/Exponents (E).

3.      Multiply and/or Divide in order from left to right (MD).

4.      Add and/or Subtract in order from left to right (AS). 

A simple technique for remembering the order of operations is turned into phrase "Please Excuse My Dear Aunty Sally"

The expression is  .

         (Substitute )

Apply the order of operations (PEMDAS).

First operation is multiplication.

Next operation is subtraction.

         (Substitute )

First operation is multiplication.

Next operation is subtraction.

         (Substitute )

First operation is multiplication.

Next operation is subtraction.

         (Substitute )

First operation is multiplication.

Next operation is subtraction.

The values of the expression is 2, 5, 8, 11.