Howie Morenz[?], voted top athlete of the 1st half of the 20th century
Bobby Orr, (born 1948), considered by many to be the best ever, revolutionized the role of a defensemen becoming the first to win the scoring title (twice).
... fraction; the common denominator is 4a2. We get
<math>\left(x+\frac{b}{2a}\right)^2=\frac{-4ac+b^2}{4a^2}=\frac{b^2-4ac}{4a^2}.</math>
Taking square ...