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11 August, 13:43

What equals - 36 when added but equals 160 when multiplied.

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  1. 11 August, 15:25
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    X + y = - 36

    x * y = 160

    x = - 36 - y

    (-36-y) * y = 160

    -36y - y^2 = 160

    y^2 + 36y + 160 = 0

    y = - 5.19 and x = - 30.8

    or

    y = - 30.8 and x = - 5.19

    You can write them in this form too

    x+ysqrt (z)
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