Greyhound racing is a sport which involves the racing of greyhound dogs. The dogs chase after an artificial hare on a track until they arrive at the finish line. The one which arrives first is the winner.
... non-zero. These solutions are also called the roots of the equation. The formula reads
<math>
x=\frac{-b \pm \sqrt {b^2-4ac}}{2a}
</math>
The term ...