The Mexican League is a minor league baseball league which operates in Mexico. The league is considered on the same level as the AAA leagues the International League and the Pacific Coast League, even though the teams do not have working associations with Major League Baseball teams. The league is divided into two divisions, the Zona Norte and the Zona Sur.
... it.)
The symbol
<math>\pm \sqrt {b^2-4ac}</math>
in the formula should be understood as "either of those element(s) of the field whose square equals b2 ...