note: Australia's last aircraft carrier fleet was decommissioned in 1982. The current Sydney and Melbourne are guided missile frigates, and the current Albatross is a naval base on land near Nowra[?].
... from both sides, we get
<math>x=\frac{-b}{2a}\pm\frac{\sqrt{b^2-4ac}}{2a}=\frac{-b\pm\sqrt{b^2-4ac}}{2a}.</math>
Generalizations
The formula and ...