The Knicks are one of only two teams of the original National Basketball Association that is still located in its original city (the other being the Boston Celtics. The Basketball Association of America and the National Basketball League merged in 1949 to form the NBA.
... conveniently complete the square[?]. To "complete the square" is to add a constant (i.e., in this case, a quantity that does not depend on x) to the expression to the left ...