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23 October, 19:57

What two numbers added together get - 20 but when multiplied gets 20?

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  1. 23 October, 21:14
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    X + y = - 20

    xy = 20

    x = - 20 - y

    -20y - y^2 = 20

    y^2 + 20y + 20 = 0

    y = - 1.056 and x = - 18.94

    or vice versa
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