# How do you factor and solve #x^2=12x-27#?

##### 1 Answer

Jun 29, 2016

3 and 9

#### Explanation:

Find 2 numbers, that have same sign (ac > 0), knowing their sum (b = -12) and their product (c = +27). They are: -3 and -9

y = (x - 3)(x - 9)

The 2 real roots are 3 and 9.