I bet he's sittin' in Hawaii sipping a huge glass of cocktail...
Oh wait. covid. :(
Here's a hint:
i=sqrt(-1)
So, if you put {integer} times i, you will be able to get a negative number!
Now, find something to the fourth power that gets -4! :D
Adding onto Guest's answer:
You use the quadratic formula to find the roots of y^2+5y-11.
The quadratic formula is:
-b+-sqrt(b^2-4ac) / 2a
So, in this case, a=1, b=5, and c=-11
No, hopefully it will come back up when he gets back! :D
It's that he hasn't been on for a longggg longgggg time ;(