The San'yo Main Line is operated by the following two JR companies.
The branch line, often called the Wadamisaki line[?], links Hyogo[?] and Wadamisaki[?].
... b/(2a) 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 ...