The answer to the previous question is in the comments for that question. Feel free to discuss.
Here’s today’s question…
What is the name of the rule that says that I cannot accurately represent the solution to this equation with an expression that includes a radical symbol:
x^5=x+1
As always, tell a nerd working behind the counter the correct answer and receive a free 450mL beverage.



This is the Abel–Ruffini theorem (also known as Abel’s impossibility theorem)