simplify a radical

13:14

3:42

17:58

11:52

1:02:48

17:51

4:09

7:57

5:14

11:11

19:46

12:56

14:46

10:55

17:11

2:16

4:05

11:20

10:08

11:08

12:40

10:14

12:33

9:44

11:05

1:22

9:28

14:54

29:10

9:10

10:04

2:19

8:49

6:10

16:45

3:23

1:32

2:38

3:08

4:41

8:46

4:30

17:59

5:36

3:11

26:17

6:02

5:08

4:02

43:40

25:52

4:04

18:05

3:44

5:34

2:42

1:49

3:27

1:58