$\"\"$

The expression is $\"\"$ .

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

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

$\"\"$ (Product of two different signs is negative) $\"\"$

$\"\"$ (Apply commutative property of addition: a + b = b + a)

$\"\"$ (Apply additive inverse property: $\"\"$ )

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

The simplified expression is $\"\"$ .