SOLUTION: Hello there, I am currently working on an optional summer packet for school, and I came across this problem. I have the answer available to me, but I don't understand how to get t

You can put this solution on YOUR website!
As a reminder, let's review a basic rule of square roots:

Then, I can factor the 4 as:

If you see a "pair" of terms, you can you can "pull it out" thus:

.
For your problem then:


Notice, the pair of "4's", "y's", and "x^2".