Key term for Edexcel GCSE Mathematics, used in Notation and Manipulation.
A factorisation pattern used for a binomial where one perfect square term is subtracted from another, following the rule a² - b² = (a + b)(a - b).
Difference of Two Squares (DOTS) appears in Edexcel GCSE Mathematics revision content for Algebra, especially Notation and Manipulation and Expression Simplification.
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