[Group Discussion] Factorisation Pyramid Challenge

This was carried out during lesson on 1 August 2022 (approx 20min).

The challenge is to recognise "characteristics" of the given expression and apply the appropriate factorisation method(s) to factorise the expression completely. 

On the whole: 

• Group A 3 points
• Group B 7 points 
• Group C 7 points
• Group D 12 points 👏 🏆 (winner as submitted on 1 Aug)
• Group E 10 points 👏
• Group F 12 points 👏
• Group G 9 points

Here's the suggested solution