Simplifying Square Roots

Simplify \sqrt{63}. Use factors to simplify.

 

 

 

3\times 3=9

\sqrt{9}=3

 

 

 

 

\sqrt{63}=\sqrt{3\times 3\times 7}=\sqrt{3\times 3}\times\sqrt{7}=\sqrt{9}\times\sqrt{7}=3\times\sqrt{7}=3\sqrt{7}