How do you simplify the radical expression #sqrt72#?
This takes advantage of the relation
Look for a factor in the original value that is a perfect square (4, 9, 16, 25, 36, etc.)
(I think you meant as a simplified radical, so that's what I'm going to answer.)
Using the rule that
This can also be expressed as
The square root and square cancel, leaving us with the simplified radical of