Answer:
A fact is a claim that you can support with solid evidence, or proof. An opinion is a claim that you cannot support with solid proof, more or so of your own beliefs.
Step-by-step explanation:
Fact: George Washington was the 1st President.
Opinion: George Washington was a bad President.
Basically, a fact is creditable, you can back it up with true evidence, and an opinion is not
Hope this helped :)