Answer:
15a+25
Explanation:
The distributive property: example of this is your question. I'll use it as an example. You take 5 on the left of the parentheses, and you multiply it by 1 number at a time, such as 5(3a+5). You would take 5 and 3a and multiply them first. That's it's own number now, 15a. Now take 5 and 5. You'll get 25. Take these two variables and put them in an equation. 15a+25.