$\"\"$ $\"\"$

The expression is $\"\"$ .

$\"\"$ (Distribute $\"\"$ )

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

$\"\"$ (Apply commutative property of addition: $\"\"$ )

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

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

The simplified expression is $\"\"$ .