The Dutch Football League is organized by the Koninklijke Nederlandse Voetbal Bond[?] (KNVB, Royal Dutch Football Association). There are two divisions for professional teams in the Netherlands: a premier division (eredivisie) and a first division (eerste divisie). Previously, a second division was also in existence, but it was discontinued after the 1970/1971 season.
... expresses the explicit solution(s) x to the quadratic equation
<math>ax^2+bx+c=0</math>
in terms of the coefficients a, b and c, which are assumed to be ...