what is the quadratic equation?
\(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\)
That is quadratic formula not quadratic eqaution.
I assumed that is what the original poster meant. Maybe not.
ax2 + bx + c
an eqn. having degree 2 which is of the form
p(x)=ax2+bx+c