How do you solve x^2 = 7x + 11 using the quadratic formula?

1 Answer
Jun 9, 2018

color(green)(x = (7 + sqrt(93)) / 2, (7 - sqrt(93)) / 2

Explanation:

x^2 = 7x + 11

color(crimson)("Quadratic Formula " x = (-b +- sqrt(b^2 - 4ac)) / (2a)

a = 1, b = -7, c = -11

x = 7 +- sqrt(7^2 + 44)) / 2

color(green)(x = (7 + sqrt(93)) / 2, (7 - sqrt(93)) / 2