Wilson is the volleyball in the movie Cast Away. It plays the role of mute, infinitely patient, non-living listener in the movie. It is also the only companion of Chuck Noland ( Tom Hanks ) for 1500 days of his life which he spends "somewhere" in Pacific.
... the x-axis in two points.)
If the discriminant is negative, then there are two different solutions x, both of which are complex numbers. The two solutions are complex ...