$\"\"$

\

The expression is $\"\"$ .

\

$\"\"$ (Write the expression)

\

$\"\"$ (Apply distributive property: $\"\"$ )

\

$\"\"$ (Multiply: $\"\"$ )

\

$\"\"$ (Product of two same signs is positive)

\

$\"\"$ (Group like terms)

\

$\"\"$ (Combine like terms)

\

$\"\"$ (Apply additive identity property)

\

The simplified expression is $\"\"$ . $\"\"$

\

The simplified expression is $\"\"$ .