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).
... is to add a constant (i.e., in this case, a quantity that does not depend on x) to the expression to the left of "=", that will make it a perfect square trinomial of the ...