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27 September, 18:30

Solve the equation by completing the square. Round to the nearest hundreth if necessary. x^2-x-7=0

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  1. 27 September, 18:43
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    X^2 - x = 7

    (x - 0.5) ^2 - 0.25 = 7

    (x - 0.5) ^2 = 7.25

    (x - 0.5) = + / - sqrt 7.25

    x = 0.5 + / - sqrt7.25

    solution set is {-2.19, 3.19,}
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