Answer:
3h + 3
Step-by-step explanation:
Distribute 3 to all terms within the parenthesis, and multiply:
3(1 + h) =
3(1) = 3
3(h) = 3h
3h + 3 is your answer.
~
3 + 3h
Apply the Distributive Property of Multiplication:
3(1 + h) = 3 + 3h
