Factorising quadratic trinomials
Algebraic techniques
Essential Mathematics Year 9
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Lesson notes

Chapters

  Welcome
  Learning objectives
  Recap of past learning
  RECAP: Factorisation by grouping
  3 things can't be factorised very nicely
  The T-method
  Example 1
  Example 2
  Example 3
  Example 4
  Example 5
  Example 6
  Harder example doing it backwards
  Final words
Description

This is another in the Year 9 series looking at Algebraic Techniques and, importantly, how to expand brackets and factorise a range of expressions. This video looks at how we can build on the previous knowledge and start to factorise quadratic trinomials. I use the idea of the 'T' method to factorise any quadratic trinomial. There are lots and lots of examples and all are explained in an easy to understand way.
Video tags

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