(1)因式與倍式的介紹

https://www.youtube.com/watch?v=NShuvvzhphY&list=PL0616D6A4EC156E42

(2)因式與倍式之判別─多項式除法

https://www.youtube.com/watch?v=JZsEVPod4C4&list=PL0616D6A4EC156E42&index=2

(3)因式與倍式之判別─因式定理

https://www.youtube.com/watch?v=SK87dQvL2dU&index=3&list=PL0616D6A4EC156E42

(4)因式分解與分解形式之介紹

https://www.youtube.com/watch?v=r7gpjBo46-o&index=4&list=PL0616D6A4EC156E42

國二上_3-1因式、倍式與因式分解

https://www.youtube.com/watch?v=0lxhuCWEUvc&index=4&list=PL0616D6A4EC156E42