Hi
If you consider the equation you can find that x=1 is the only real solution since
Now if you try to solve it using Cardan method Méthode de Cardan - Wikipédia you will find that one real solution is
Since 1 is the only real solution you get
Hi
If you consider the equation you can find that x=1 is the only real solution since
Now if you try to solve it using Cardan method Méthode de Cardan - Wikipédia you will find that one real solution is
Since 1 is the only real solution you get