The PGA Championship is one of the four tournaments comprising the men's Grand Slam of golf.
Men's PGA Championship winners:
... both sides, we get <math>x=\frac{-b}{2a}\pm\frac{\sqrt{b^2-4ac}}{2a}=\frac{-b\pm\sqrt{b^2-4ac}}{2a}.</math> Generalizations The formula and its ...