What numbers multiply to -90 and add up to -9?

3 Answers

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  • 7 years ago
    Favorite Answer

    -90

    1 90

    2 45

    3 30

    5 18

    6 15

    9 10

    The answer is 6 and 15.

  • Robert
    Lv 7
    7 years ago

    It's 6 and -15:

    6(-15) = -90

    6 + (-15) = -9

  • Anonymous
    7 years ago

    -0.02115 →(approx.)

    -50

    -1.979

    43

    their product is -90

    their sum is -9.00015

    I could get a bit closer, but I wasted enough time showing you that there an infinite number of sets of numbers which have that property. Perhaps next time you will have developed the smarts to specify the number of numbers, ( and whether they must be integers).

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