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Factorising = Reverse of Expanding
Factorising = Reverse of Expanding
If expanding is "unpacking" a bracket, factorising is "repacking" it! You're looking for what's common to all terms and putting it outside the bracket. It's like finding the recipe from the finished cake!
The Key Idea
Find the Highest Common Factor (HCF) of all terms
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Quiz · Question 1 of 12
Which is the correct factorisation of 6x + 15?
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This topic in real past papers
Every real exam question we've found on factorising, with a full worked answer.