Here's a trickier one:
There are two perfect squares hiding in here...
We'll need to completely factor this thing to find them.
*You can check to see if this is right by
popping 
and 
into your calculator...
You should get the same thing.
TRY IT:
Rewrite 
so that the smallest number possible is inside the radical.
You can do this with other kinds of roots too -- like cube roots.
Check it out:
We'll be on a perfect cube hunt this time!
TRY IT:
Rewrite 
so that the smallest number possible is inside the radical.