$\"\"$

The expression is $\"\"$

Substitutive the values $\"\"$

$\"\"$

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

1. Evaluate the expressions inside Brackets/Parenthesis (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” $\"\"$

In the given expression there are grouping symbols.

First operation is parenthesis

$\"\"$ (Evaluate powers $\"\"$ )

Next operation is parenthesis

$\"\"$ (Multiply $\"\"$ )

Next operation is parenthesis

$\"\"$ (Divide $\"\"$ )

Next operation is subtraction

$\"\"$ (Subtract $\"\"$ )

Next operation is addition

$\"\"$ (Add $\"\"$ )

$\"\"$

The expression is $\"\"$