How do you simplify #6sqrt7+2sqrt28#?
We are given
We can factor the
Since the radicals are the same, we can combine like-terms using distribution.
First, let's unsimplify these terms in order to make 'em easier to combine. Any number that is outside the square root has a mate.
So, the 6 outside of
Do the same with your other square root.
Now, add your two unsimplified square roots: