Missing one root

[rrpalma]

(12-13-2020 01:38 AM)Albert Chan Wrote:  Try using surd for the 1/3 power.

Cas> solve((surd(x-3,3)^2) = 4,x)      → {-5,11}

Thanks!!! It worked.

However, I still would like to know what's behind the difference between how the 50G and the how the Prime find the roots.