text: #include <stdio.h>
  
  int main(int argc, char const *argv[])
  {
      float i = 0;
      float  x = 2.55;
  
      i = (3*(x*x*x) - 5*(x*x)) + 6;
  
      printf("the polynomial for 2.55 is %.2f", i);
  
      return 0;
  }
  