Holmfirth is a small town in the English county of West Yorkshire, on the edge of the Peak District in Northern England. It is best known as the setting for the long running BBC sitcom Last of the Summer Wine.
... formula is derived by the method of completing the square[?].
<math>ax^2+bx+c=0</math>
Dividing our quadratic equation by a, we have
<math>
x^2 ...