WyzAnt.comCan you please help me solve the following
x^3 < 4x
how do i solve x^3 < 4x
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1 Answer
Collect all terms in one side and do factorization,
x3-4x = x(x+2)(x-2) < 0
Check intervals: (-oo, -2), (-2, 0) , (0, 2) and (2, oo)
Answer: (-oo, -2) U (0, 2)
