Johan Herman Wessel (1742 - 1785), was a major name in Norwegian and Danish literature. Some of his satirical and poems are still popular. The traditional restaurant Wesselstuen in Bergen, Norway contains many of his works as decorations.
... of each other. (In this case, the parabola does not intersect the x-axis at all.)
Note that when computing roots numerically, the usual form of the quadratic formula ...