Andreas Baader (1944-77) served as the leader of the Red Army Faction, commonly known as the Baader-Meinhof gang.
... \frac{b}{a} \right) x + \frac{c}{a}=0 </math> which is equivalent to <math>x^2+\frac{b}{a}x=-\frac{c}{a}.</math> The equation is now in a form ...