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What you need to know
What you need to know:
It is required for the higher course that you are also capable of expanding three brackets, not just two. Fortunately, other than making the algebra trickier, the principle of expanding three brackets is much the same it was for two, with one extra step.
When faced with an expansion like:
(x + 1)(x - 2)(x + 3)
You should expand the second and third brackets as you know how. Then the problem becomes a matter of multiplying the bracket (x + 1) by all the terms (usually 3 or 4 of them) that you got when you expanded the second and third brackets. As mentioned, it can result in some complicated algebra, but there’s nothing new going on here.
If you are searching for multiplying out brackets resources then the worksheets and revision materials above should help! You can also use these as part of a course of tuition or as teaching materials in your Maths class. Whether you are a GCSE Maths tutor in Leeds or an A Level Maths teacher in London, you will find these resources useful.
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