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6 May, 21:32

What is the value of 6x^3 + 8x when x = 5

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Answers (2)
  1. 6 May, 23:58
    0
    6 (5^3) + 8

    5*5*5

    *6

    +8

    So your answer if you're evaluating is 758
  2. 7 May, 00:07
    0
    Just sub x in with 5.

    So 6 (5) ^3+8 (5) = 6 (125) + 40 = 750 + 40 = 790.

    So 790
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