$\"\"$

The expression is $\"\"$ .

The common denominator is $\"\"$ , So $\"\"$ .

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

$\"\"$

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

$\"\"$

$\"\"$ (Add: $\"\"$ , and 4 + 2 = 6) $\"\"$

The simplified expression is $\"\"$ .