False. The problem is so complex we have to resort to guessing / brute force to solve it; if it's so easy, give me a closed-form solution so I can become rich.
That's a valid use of the word "solve". It is obviously mathematical. It is complex, as we do not have a simple way to solve it.
I get it, words can have multiple meanings. It's fine to give a clarification on the specific use here, but then move on.
Guessing a number isn't a complex mathematical number, it's just guessing a number.