February 14 - The Iranian government bans rock & roll because they claim that the form of music is against the concepts of Islam and also a health hazard. Iranian doctors warned of the risk of injuries to the hips from the "extreme gyrations" of rock & roll dances.
March 12 - Billie Holiday is given a year's probation by a Philadelphia court following her arrest and guilty plea on narcotics possession charges in 1956.
... a single fraction; the common denominator is 4a2. We get
<math>\left(x+\frac{b}{2a}\right)^2=\frac{-4ac+b^2}{4a^2}=\frac{b^2-4ac}{4a^2}.</math>
Taking ...