First, this question picks between three scenarios.

Now, consider the quadratic equation

$$\simplify{{a}x^2+{b}x+{c} = 0}$$

The discriminant of this equation is $\simplify[!basic]{{b}^2-4*{a}*{c}} = \var{b^2-4*a*c}$. This is greater than zero, so the equation has two real roots.