+9466 If you have an equation in this form:
\(ax^2+bx+c=0\)
, and then solve that equation for x , you will get
\(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\)
, which is the quadratic formula. 
This might help explain it better: https://www.youtube.com/watch?v=i7idZfS8t8w
