GCSE Secondary Maths Age 13-17 - Algebra: Factorising - Explained

The video tutorial explains the concept of the difference of squares and demonstrates how to factorize expressions using this method. It guides through simplifying a complex expression by applying the difference of squares, emphasizing the importance of careful handling of signs. The tutorial concludes with a final simplification and a breakdown of how marks are awarded for each step.

What is the final simplified form of the expression, and how many marks were allocated for this part?

Discuss the potential issues that could arise when expanding the brackets and subtracting.