$\"\"$

\

The expression is $\"\"$ .

\

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

\

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

\

$\"\"$ (Multiply)

\

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

\

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

\

$\"\"$

\

$\"\"$ .