#include
#include
#include
int a,b,c;
float x,x1,x2;
void input()
{ cout<<" Silahkan masukkan angka !\n"; cout<<" Nilai a : ";cin>>a;
cout<<" Nilsi b : ";cin>>b;
cout<<" Nilai c : ";cin>>c; }
void proses()
{ x=sqrt(b*b-4*a*c);
x1=(b+x)/(2*a);
x2=(b-x)/(2*a); }
void output()
{ cout<<" Nilai x1 : "<
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