$($Simple computation$)$

The formula for computing the discriminant of a quadratic equation $a{x}^{{?}^{{?}^{?}}}2+bx+c=0$ is $b^{{?}^{?}}2-4ac.$ Write a program that computes the discriminant for the equation $3x^{{?}^{{?}^{?}}}2+4x+5=0$

Class Name: Exercise$01\_01$Extra