See also: List of years in literature
(Please add to this list. If you have read any of the books above, why not write an article for Wikipedia?)
... 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 ...