X-Men Who Are Currently On A Leave Of Absense To Hunt Down The Books Of Truth[?]:
Deceased X-Men:
Former Members:
X-Men Allies:
Villains:
... method of completing the square[?]. <math>ax^2+bx+c=0</math> Dividing our quadratic equation by a, we have <math> x^2 + \left( \frac{b}{a} ...