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 .

Apply order of operations inside the grouping symbols should be evaluated first.

So, the first operation is evaluating expression inside the parenthesis.

                           (Subtract: )

Next operation is addition.

                                 (Add: )

Next operation is multiplication.

                                       (Multiply: )

The value of given expression is 42.