The melting point of a solid is the temperature at which it changes state from solid to liquid. When considered as the temperature of the reverse change, the temperature is referred to as the freezing point. For example, the melting point of mercury (element) is 234.32 Kelvin (-37.89 °F)
... left side is now a perfect square; it is the square of (x + b/(2a)). The right side can be written as a single fraction; the common denominator is 4a2. We ...