Loh KY - Holding Site for Blog activities
(1) Chap 5: Factorisation... Watch the video...
As you watch the video, look out for the number that the expression was 'factorised'. Apart from identifying and removing the common factor, did you notice that it uses the algebraic identities to help factorise?
+ 2ab + b
- 2ab - b
Loh Kwai Yin
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