factoring polynomials

48:25

6:49

4:59

14:41

3:19

6:22

3:31

6:51

2:09

2:59

6:54

30:04

4:44

2:40

6:42

12:08

6:44

13:05

3:26

2:33

7:39

2:04

7:18

2:40:25

1:20

1:02:13

6:56