factor a quadratic expression

28:21

4:05

6:21

13:07

5:24

2:22

5:20

15:45

16:16

9:37

9:34

11:28

4:50

3:30

8:15

16:54

1:11:03

20:59

35:28

6:23

6:03

10:23

8:10

16:17

15:57

15:58

کوتاه

1:46

11:43

15:48

12:36

9:04

22:07

8:21

14:59

9:49

9:49

14:36

8:26

2:33:45