$\"\"$

The expression is $\"\"$ .

The value are $\"\"$ , $\"\"$ , $\"\"$ and $\"\"$ .

$\"\"$ (Substitute $\"\"$ and $\"\"$ )

$\"\"$ (Multiply)

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

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

Therefore, the value of expression is $\"\"$ .

$\"\"$

$\"\"$ .