# How do you solve #x^2-10x+18=0# using the quadratic formula?

##### 1 Answer

Mar 31, 2017

You simply put the coefficients of the equation into the formula and solve it algebraically.

#### Explanation:

For

In this case, a = 1, b = -10 and c = 18

x = 2.35, and x = 7.645

CHECK: 7.645^2 – 10*7.645 + 18 = 0 ; 58.446 – 76.45 + 18 = 0 ; 0 = 0 correct.

See http://www.purplemath.com/modules/quadform.htm for instructions.