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7 April, 12:29

If x^ 3 = - 27, then what is x?

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Answers (2)
  1. 7 April, 12:43
    0
    The cube root of - 27 is - 3

    3√-27 = - 3

    You can check this by plugging your answer back it

    X = - 3

    -3^3 = - 27
  2. 7 April, 14:19
    0
    Take 3rd root of - 27

    that is - 3

    if you can't see it then

    √-27 = (√-1) (√27) = (-1) (3) = - 3
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