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    Daily ChallengeMediumAlgebra

    Simplify: x2−9x+3\frac{x^{2} - 9}{x + 3}

    Simplifica: x2−9x+3\frac{x^{2} - 9}{x + 3}

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    Solution

    x2−9=(x+3)(x−3)x^{2} - 9 = (x+3)(x-3). Dividing by (x+3)(x+3) gives x−3x - 3.