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3 November, 18:24

If x is a real number such that x^3 = 64 then x^2 + x=?

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  1. 3 November, 18:39
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    X^3=64

    x = 3 square root of 64

    x=4

    x^2 + square root of x = 4^2 + the square root of 4 = 16+2=18
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