4-6
#include <iostream>
#include <cmath>
using namespace std;
int main() {
int a, b, c;
float D, x1, x2;
int flag;
cout<<"Masukkan nilai a : "; cin>>a;
cout<<"Masukkan nilai b : "; cin>>b;
cout<<"Masukkan nilai c : "; cin>>c;
cout<<endl;
D = (b*b) - (4*a*c);
if (D > 0) {
x1 = ((-b) + sqrt(D)) / (2*a);
x2 = ((-b) + sqrt(D)) / (2*a);
flag = 1;
} else if (D == 0) {
x1 = ((-b) + sqrt(D)) / (2*a);
x2 = x1;
flag = 1;
} else {
flag = 0;
}
if (flag == 1) {
cout<<"x1 = "<<x1<<endl;
cout<<"x2 = "<<x2<<endl;
} else {
cout<<"x1 dan x2 imaginer";
}
return 0;
}
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