Scotty Moore is a legendary guitarist and member of the Rock and Roll Hall of Fame. He is best known for playing on many of the most famous Elvis Presley recordings including "Good Rockin' Tonight", "Baby Let's Play House", "Mystery Train", "That's All Right", "Hound Dog", "Too Much" and "Jailhouse Rock". In the 1960s, Moore released a solo album called The Guitar That Changed the World[?].
... this means that the parabola intersects the x-axis in two points.)
If the discriminant is negative, then there are two different solutions x, both of which are complex ...