In the first known obscenity case in the United States, a Massachusetts court outlawed the John Cleland novel, Fanny Hill. The publisher, Peter Holmes, was convicted for printing a "lewd and obscene" novel.
... from both sides, we get
<math>x=\frac{-b}{2a}\pm\frac{\sqrt{b^2-4ac}}{2a}=\frac{-b\pm\sqrt{b^2-4ac}}{2a}.</math>
Generalizations
The formula and ...