$\"\"$

The function is $\"\"$ \ \

$\"\"$ (Substitute $\"\"$ for x)

To simplify the expression follow the order of operations:

1. Evaluate the expressions inside grouping symbols.

2. Evaluate powers.

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

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

$\"\"$

In the given expression there are no grouping symbols

First operation is evaluating power.

$\"\"$ (Evaluate power: $\"\"$ )

Next operation is subtraction

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

The value of the function is $\"\"$ .