# How do you solve #x^2 = 7x +8# using the quadratic formula?

##### 1 Answer

May 28, 2016

8 and -1

#### Explanation:

Solving by shortcut. Since a - b + c = 0, then, the 2 real roots are: -1 and -c/a = 8.

Solving by the improved quadratic formula (Google Search)

There are 2 real roots: