In England, Durham formed a "County Palatine".
In Germany, the Rhineland Palatinate, now the state of Rheinland-Pfalz has played an important historical role.
... 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 square roots of both ...