#include <stdio.h> #include <math.h> int main(){ float a,b,c; float x1,x2,p; scanf("%f%f%f",&a,&b,&c); p=b*b-4*a*c; x1=(-b+sqrt(p))/(2*a); x2=(-b-sqrt(p))/(2*a); printf("%.2f,%.2f",x1,x2); return 0; }
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