How do you express one half of the difference of a number cubed and one?

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How do you express one half of the difference of a number cubed and one?

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Charlie 3 weeks 2021-11-15T13:52:04+00:00 1 Answer 0 views 0

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    2021-11-15T13:53:37+00:00

    Answer:

    (1/2)(n^3 – 1)

    Step-by-step explanation:

    Let the number be n. ┬áThen “a number cubed” less 1 is n^3 – 1 (same as “difference of a number cubed and one).

    Half of this result is (1/2)(n^3 – 1)

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45:7+7-4:2-5:5*4+35:2 =? ( )