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Find the value(s) of x, so that f’(x) = 0 for the function f(x) = 4x3 – 6x2 – 24x.

  • Math -

    I will assume you meant
    f(x) = 4x^3 – 6x^2 – 24x

    then
    f'(x) = 12x^2-12x - 24
    = 0
    divide by 12
    x^2 - x - 2 = 0
    (x-2)(x+1) = 0
    x = 2 or x = -1

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