$\"\"$

The expression is $\"\"$

$\"\"$

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

$\"\"$

(Multiply: $\"\"$ )

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

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

$\"\"$ (Add: $\"\"$ ) \ \ $\"\"$

The simplified expression $\"\"$ .