Find the roots of x^2 + 12x + 36 = 25.
Re - write as
x^2 + 12x + 9 = 0 in the QUadratic formula a =1 b = 12 c = 9
\(x = {-12 \pm \sqrt{12^2-4(1)(9)} \over 2(1)a}\) You can finish I'm sure ! (Ignore the 'a' on the bottom....I forgot to delete it)