Khan Academy on a Stick
Example 2: Factoring by grouping
U09_L1_T2_we2 Factoring Trinomials by Grouping 2
If the above player doesn't work, you can try this direct link.
U09_L1_T2_we2 Factoring Trinomials by Grouping 2
If the above player doesn't work, you can try this direct link.