Mã chấm: 14046

Main.c: In function ‘main’:
Main.c:7:39: error: expected ‘)’ before ‘;’ token
   printf("%d", (a*(x*x)) + (b * x) + c;);
                                       ^
Main.c:5:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d%d", &a, &b, &c, &x);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~