Everyone believes that I will win university this year. But I don't trust myself at all?

I failed the university exam I took last year. This year my family and friends think I will win But I can't do the questions because I'm very bad at math That's why I feel pretty bad and nervous. My mom thinks I'm going to win this year. But what will I do if I don't win? I feel extremely tired

Everyone believes that I will win university this year. But I don't trust myself at all?
Post Opinion