$\"\"$

\

The values are $\"\"$ and $\"\"$ .

\

The expression is $\"\"$ .

\

Solve expression.

\

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

\

$\"\"$ (Multiply) \ \

\

$\"\"$ (Simplify) \ \

\

$\"\"$ .

\

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

\

$\"\"$ .