Spain | Math Olympiad | A Nice Algebra Problem

[@عبدالواسع-س8م]

Great!
Thanks a lot!

[@quizcode-q4u]

Mathematics is my favorite subject.

[@ryanpwamoe]

Can this be accepted?
(X-4)^3=-27
(X-4)^3=-3^3
(X-4)=-3
X-4=-3
X=1

[@silverhammer7779]

I don't see why it wouldn't be acceptable, at least for the real root. The problem formulation should have specified, "Solve for all values of X."