I made my first contribution to Wikipedia on 21:48 March 29, 2003, though I had occasionally read articles since early in 2002. I first discovered the 'pedia when searching for information for school reports.
... so we add the 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 ...