Find points of inflection and state only the x values

[angela107]

Homework Statement

Given $3x^5-5x^3$, find points of inflection and state only the x values.

Relevant Equations

n/a

Since the answer wants x values only, will my answer be $x=-\frac{1}{\sqrt{2}}, 0, and \frac{1}{\sqrt{2}}$?

 

[fresh_42]

Yes.