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17 November, 11:28

Is - 2 or - 5 a root of the equation x^2 + 7x = - 10

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  1. 17 November, 13:33
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    Plug both in and see which works:

    For - 2: 4 + (-14) = - 10, so this one works

    For - 5: 25 + (-35) = - 10, so this also works

    Both - 2 and - 5 are correct
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