Gnaeus Pompeius Magnus (born Rome, 106 B.C., died September 28, 48 B.C.) known in the English-speaking world as Pompey the Great, was a leading general of the late Roman Republic and chief rival to Julius Caesar, although they served together in the First Triumvirate.
... if the coefficients a, b and c are complex numbers, or more generally members of any field whose characteristic is not 2. (In a field of characteristic 2, the element 2a is ...