SOLUTION: I have another difficult problem x^2/3-3x ^1/3-4=0

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Question 457779: I have another difficult problem
x^2/3-3x ^1/3-4=0
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Sub u for x^(1/3)
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u^2 - 3u - 4 = 0
(u-4)*(u+1) = 0
u = -1, 4
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x^(1/3) = -1
x = -1
----------
x^(1/3) = 4
x = 64
Not that hard, just a bit tricky.