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23 January, 02:06

If x Is a real number such that x3 = 64, the x2 + x equals what?

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  1. 23 January, 02:09
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    20

    Step-by-step explanation:

    Assuming that the equation is x³ = 64, that can be solved by putting cube root on both sides like so: ∛ (x³) = ∛64, which simplifies to x = 4.

    Plugging that into our expression gives us 4² + 4, which is 20.
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