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 .

     (Replace g, h and j with 6, 10 and 5)

First evaluate within the parentheses.

              (Multiply:  and )

Next operation is subtraction.

                          (Subtract:  30 – 20 = 10)

Next operation is multiplication.

                             (Multiply:  )

Next operation is addition.

                                     (Add: )

The value of the expression is 34.