用二分法求方程在

/*用二分法求方程在*/
#include <stdio.h>
int main(){
    double x1=-1.0,x2=10,y1,y2;
    do{
        y1=2*x1*x1*x1-4*x1*x1+3*x1-6;
        x1=x1-y1/(6*x1*x1-8*x1+3);
    }while(y1!=0);
    do{
        y2=2*x2*x2*x2-4*x2*x2+3*x2-6;
        x2=x2-y2/(6*x2*x2-8*x2+3); 
    }while(y2!=0);
    printf("x1=%.3f,x2=%.3f\n",x1,x2);
    return 0;
}