Tasmania may be the smallest state in Australia, but it contains no fewer than 495 separate Protected Areas with a total area of 2,203,383 hectares (land area: 2,201,962 hectares – 32.23% of the state’s area). 19 of these are National parks, totalling 1,430,762 hectares (20.94% of the state’s area).
... a single fraction; the common denominator 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 ...