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    Mathematics GCSE

    difference of two squares

    What difference of two squares means in Mathematics GCSE, as defined for AQA, Pearson Edexcel.

    Definitions of difference of two squares

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    Reference: AQA

    A form a² − b² that factorises as (a + b)(a − b), for example x² − 49 = (x + 7)(x − 7).
    AQA · Notation, vocabulary and manipulation (study guide)
    An expression of the form A² − B², which factorises as (A − B)(A + B).
    Pearson Edexcel · Algebra - Notation, vocabulary and manipulation (study guide)

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