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13 August, 04:35

3m + 8 - 2m3 for m=-1

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Answers (2)
  1. 13 August, 04:55
    0
    7

    Step-by-step explanation:

    3m + 8 - 2m^3

    lets evaluate m = - 1 in the above expression

    3 (-1) + 8 - 2 (-1) ^3

    we know:

    + * - = -

    - * - = +

    -1^3 = - 1*-1*-1 = - 1

    we have:

    -3 + 8 - 2 (-1)

    -3 + 8 + 2

    7
  2. 13 August, 05:04
    0
    The answer is 11

    Plug in - 1 for m

    3 (-1) + 8-2 (-1) 3

    So 11
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