I am getting errors in the polynomial equation x.I hav no idea whats wrong.This equation was provided.My code is as followed

Code:

#include<stdio.h> #include<stdlib.h> int main(void) { double x; double polynomial=3x^3-5x^2+6; /*This is giving me problem*/ x=2.55; printf("The value of polynomial is %lf\n",polynomial); system("pause"); return(EXIT_SUCCESS); }