This works nicely as long as the leading coefficient is 1. But then, the quadratic formula reduces to (-b +/- sqrt(b^2-4c) / 2)... which is the same amount of c

This works nicely as long as the leading coefficient is 1. But then, the quadratic formula reduces to (-b +/- sqrt(b^2-4c) / 2)... which is the same amount of calculation.