Study Notes [Practice 15] p6 - Class Discussion

Hi Everybody

We did not get the time to discuss your worked solution during the lesson.  

Here's the feedback to your work & the suggested solution

(a) LINK to clip to explain

 

(b) LINK to clip to explain

(c) LINK to clip to explain

(d) There are 2 ways to factorise the expression

• LINK - to factorise without removing the common factor first
• LINK - to remove the common factor first

(e) There are several ways to approach this question.

Primarily... to extract the common factor across all terms first OR doing that as the last step (which is an often forgotten step). 

Included here are clips that demonstrates 2 ways to factorise by extracting the common factor first.

• LINK - involving reorganising the terms
• LINK - recognising "1" as a common factor for one of the pairs of the terms. [New!]

Group points: 

• Black 1 point
• Green 2 points
• Orange 2 points
• White 2 points
• Yellow 2 points