Ukraine is subdivided into 24 regions (oblasti, singular - oblast), 1 autonomous republic (avtomnaya respublika) in the Crimea, and 2 municipalities (mista, singular - misto) with regional status, marked by a *:
... formula
The quadratic formula expresses the explicit solution(s) x to the quadratic equation
<math>ax^2+bx+c=0</math>
in terms of the coefficients a, ...