Um... what's the difference? x = (-b ± √(b^2 - 4ac)) / 2a Ok, remove a assuming it's 1 - well, yeah, less general math is simpler. x = (-b ± √(b^2 - 4c))

Um... what's the difference? x = (-b ± √(b^2 - 4ac)) / 2a Ok, remove a assuming it's 1 - well, yeah, less general math is simpler. x = (-b ± √(b^2 - 4c)) / 2 Move around 2 & 4... voila. x = -b/2 ± √(b^2 / 4 - c) Like, whatever. :)