#include<stdio.h>
#define DIM 101
int a[DIM],b[DIM],c[DIM],i,j,t,n;
float delta;
int main ()
{
    freopen ("euclid3.in","r",stdin);
    freopen ("euclid3.out","w",stdout);
    scanf("%d",&t);
    for(i=1;i<=t;++i)
    scanf("%d%d%d",&a[i],&b[i],&c[i]);
    
    for(i=1;i<=t;++i)
    {
                     n=b[i]*b[i]-4*a[i]*c[i];
                     delta=n;
                     printf("%f %f\n",delta-b[i]/(2*a[i]),delta+b[i]/(-2*a[i]));
    }
    return 0;
}