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

The expression is $\"\"$ .

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

= $\"\"$ (Remove parenthesis)

Apply commutative property of addition: a + b = b + a.

= $\"\"$

Apply assosiative property of addition: a + (b + c) = (a + b) + c.

= $\"\"$ $\"\"$

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

= $\"\"$

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

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

The simplified expression is $\"\"$ .