# How do you solve #-x^2 + 5x - 9 = 0#?

##### 1 Answer

Aug 18, 2016

#### Explanation:

y = - x^2 + 5x - 9 = 0

Use the improved quadratic formula (Socratic Search):

D = d^2 = b^2 - 4ac = 25 - 36 = - 11.

There are no real roots because D < 0. There are 2 imaginary roots.