Question 955608
All u have to do is multiply 4 by q and by 3q. 
So, 4·q= 4q
And, 4·3q= 12q
Now, we can add 4q and 12q together.
4q + 12q = 16q
The answer is 16q.

You could have added them first and then multiplied the answer by 4, I just prefer it this way.