Solution of an algebraic equation by Newton-Raphson method

/* Solution of an algebraic equation x^5+3x^2-10=0 by Newton-Raphson method */
#include<stdio.h>
#include<math.h>
int main()
{
    int count=0;
    float x0, xn, fx, dfx;
    printf("Initial guess value x0:");
    scanf("%f", &x0);
    /* Iteraion begins */
    label:
        fx=pow(x0,5)+3*x0*x0-10;
        dfx=5*pow(x0,4)+6*x0;
        xn=x0-fx/dfx;
        if(fabs(xn-x0)<0.0001)
        printf("The final root is:%f\n",xn);
        else
        {
            x0=xn;
            count=count+1;
            if(count>100)
            printf("Solution does not converge,choose another guess value.\n");
            else
            goto label;
        }
        return(0);
}