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GCSE Mathematics · key term
To rewrite an expression as a product of its factors.
Used by AQA, Edexcel and OCR
Specification A4, A5 · Paper 1, Paper 2, Paper 3
To rewrite an expression as a product of factors, usually involving brackets.
Writing an expression as a product of factors, often so that a repeated variable can be isolated.
Specification A4, A5, A18 · Paper 1, Paper 2, Paper 3
To rewrite an expression as a product of factors.
Revise: Basic Algebraic Manipulation and IndicesTo factorise an expression, identify something that divides every term and place it outside a bracket.
To rewrite an expression as a product of factors. It is the reverse of expanding.
To rewrite an expression as a product of factors, often by taking out a common factor.
Specification 6.01e, 6.02c, 6.03b · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Foundation), Paper 4 (Higher), Paper 5 (Higher), Paper 6 (Higher)
To rewrite an expression as a product of factors.
Revise: FactorisationTo factorise fully, take out the highest common factor.
To rewrite an expression as a product of factors, such as changing into .
To rewrite an expression as a product of factors, such as writing as .
If asked to factorise fully, take out the highest common factor of every term, including any shared letters.
Do not apply the difference of two squares to a sum: does not factorise as .
If the required letter occurs more than once, collect its terms on one side and factorise before dividing.
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