Answer 1

#include <iostream>
#include <stdlib.h>
#include <math.h>
using namespace std;
//a(x*x) + bx + c = 0
/*solution
(-b + sqrt((b*b) -4ac))/(2a) and
(-b - sqrt((b*b) -4ac))/(2a)
*/
float find_D(float a,float b,float c)
{
return ((b*b) - (4*a*c));
}
void quad_eq_sol(float a, float b, float c)
{
float D = find_D(a,b,c);
float re = (-b)/(2*a);
float im = (sqrt(abs(D)))/(2*a);
if(D >= 0){
cout << "Value of X is: "<< re+im << " and " << re-im << endl;
}
else
{
cout << "Value of X is: "<< re << " + " << im << "i"<< " and " << re << " - "<< im << "i"<< endl;
}
}
int main() {
float a = 0;
float b = 0;
float c = 0;
cin >> a >> b >> c;
quad_eq_sol(a,b,c);
return 0;
}