has solved
Por fin se ha resuelto el enigma.
The enigma has finally been solved.
Ha resuelto todos los problemas.
He has solved all the problems.
La ciencia no ha resuelto todos los problemas de la vida.
Science has not solved all of life's problems.
Este niño ha resuelto fácilmente este problema complicado de matemáticas.
This child has easily solved this complicated math problem.
Es un problema matemático que nadie ha resuelto.
It is a mathematical problem that no one has solved.
— Super 30 (2019)
The case has not been resolved.
Nadie ha resuelto el problema.
Nobody has solved the problem.
El estudiante ya ha resuelto todos los problemas.
The student has already solved all the problems.