hello!
Use the Distributive Property, which states the following:-

Where
we distribute a by multiplying it times b and c
a, b, and c can be either constants (numbers) or variables (letters)
Distribute:-

Multiply the term before the parentheses by the terms inside the parentheses:-

note:-
Hope everything is clear; if you need any explanation/clarification, kindly let me know, and I will comment and/or edit my answer :)