The Australian Capital Territory contains 8 separate protected areas with a total land area of 123,032 ha (50.59% of the territory's area). They are managed on territory level by Environment ACT.
... square of b/(2a) to both sides, getting
<math>x^2+\frac{b}{a}x+\frac{b^2}{4a^2}=-\frac{c}{a}+\frac{b^2}{4a^2}.</math>
The left side is now a perfect ...