SOLUTION: x^3=4x

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Question 333437: x^3=4x
Answer by nyc_function(2741) About Me  (Show Source):
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x^3 = 4x
x^3 - 4x = 0
x(x^2 - 4) = 0
x = 0
AND
(x^2 - 4) becomes (x - 2)(x + 2).
x - 2 = 0
x = 2
AND
x + 2 = 0
x = -2
Final answer: x = -2, x = 0 x = 2