Answer:
Hello!!! Princess Sakura here ^^
Explanation:
The gcf is 12, so you'll divide 12 to both the 48 and the 180.
So it'll look like this...

P.S. don't forget to the "e"
If you want to check if you're right just distribute the 12 and you should get 48e + 180 if you didn't you did something wrong.