Find all polynomials $f(x)$, for which $f(x)f(2x^2)=f(2x^3+x)$.
I have no idea how to do it.
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Sign up to join this communityFind all polynomials $f(x)$, for which $f(x)f(2x^2)=f(2x^3+x)$.
I have no idea how to do it.