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Algebraic techniques

Essential Mathematics (Year 9)

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Lesson notes

Chapters

Welcome

Learning objectives

Recap of past learning

RECAP: DOPS

Factorising DOPS

Examples: Factorising DOPS expressions

More examples

We might need to factorise and then factorise again

Other tricks

More complex example of DOPS

Another example

RECAP: Why we are doing this!

Final words

Description

This is the next video in the Algebraic Techniques section of the Year 9 Mathematics course. Having looked at how to expand binomial products which gave Difference of Perfect Squares (DOPS) results, we now look at how we can factorise DOPS. We look at a lot of examples of how to factorise using DOPS including some quite challenging questions. The examples are all framed by easy to understand explanations. There is even some humour!

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