Question

36x-x^3>0

Answer 1

\[x <-6\]

Answer 2

Multiply the whole thing by -1 to achieve a better-looking inequality.\[x^3 - 36x < 0\]\[x(x^2 - 36) < 0\]\[x(x+6)(x-6)< 0\]You know what to do now, right?

Answer 3

x<-6 or 0<x<6