$\"\"$

\

The expression is $\"\"$ .

\

Simplify the expression.

\

$\"\"$ (Commutative property: $\"\"$ )

\

$\"\"$ (Distributive property: $\"\"$ )

\

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

\

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

\

$\"\"$

\

$\"\"$ .