Question

Simplify the roots.You have to click to see the problem because it is a picture. (:

Answer 1

\[\sqrt{63}\]

Answer 2

\[\sqrt{63} = \sqrt{9*7} = 3\sqrt{7}\]

Answer 3

Do you get that, if you can write the inside (radicand) by its multiples, then you can take the square root of one of those terms and bring it outside??