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    Mathematics A-Level

    Simplifying rational expressions

    What Simplifying rational expressions means in Mathematics A-Level, as defined for Pearson Edexcel.

    Definition of Simplifying rational expressions

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    Reference: Pearson Edexcel

    Factorising numerator and denominator completely, then cancelling common factors, remembering that the cancelled factor must not be zero.
    Pearson Edexcel · Algebra and functions (study guide)

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