$\"\"$

The expression is $\"\"$ .

Find $\"\"$ .

Consider the values are $\"\"$ and $\"\"$ .

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

$\"\"$ (Multiply)

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

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

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

$\"\"$

$\"\"$ .