$\"\"$

The expression is $\"\"$ .

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

$\"\"$ (Multiplicative Identity property: 1 $\"\"$ )

$\"\"$ (Distributive Property: $\"\"$ )

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

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

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

The simplified expression of $\"\"$