$\"\"$

$\"\"$ (Distributive property: a(b+c) = ab + ac)

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

Combine like items using commutative property of addition.

$\"\"$

$\"\"$ (Distributive property: a(b+c) = ab + ac)

$\"\"$ (Add: 3 + 5 = 8)

$\"\"$

The simplified expression is $\"\"$ .