sep11:Michael Carroll sep11:Peter Carroll sep11:Neilie Casey sep11:Jeffrey Coombs sep11:Tara Creamer Thelma Cuccinello[?] sep11:Patrick Currivan
... b/(2a), 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 ...