Simplifying radicals

In this video you learn to rewrite radicals that have smaller numbers under the square root sign and are therefore simpler. The answers to the practice problems in the video are as follows:
1) 2√2
2) 5√3i
3) 10√2i
4) 9√2
5) 7√2
6) 7√3i
7) 5√6
8) 5√10i
9) 2√5i
10) 2√14