Cuitláuac was the Aztec ruler of the city of Tenochtitlan for a few weeks. He was elected before the death of Moctezuma II, because Moctezuma II was being held prisoner by the Spanish. Cuitlauac died of smallpox.
... solutions are complex conjugates of each other. (In this case, the parabola does not intersect the x-axis at all.)
Note that when computing roots numerically, the ...