$\"\"$

The expression is $\"\"$ .

Distribute terms using distributive property: $\"\"$ .

$\"\"$

Distribute terms using distributive property: $\"\"$ .

$\"\"$

Product of two different sings is negative.

$\"\"$

Product of two same sings is positive.

$\"\"$

Combine like terms using distributive property: $\"\"$ .

$\"\"$

The simplified expression is $\"\"$ .