Ukraine l can you solve this?? l Olympiad Mathematics

[@princejag]

Kicking out the fear of Mathematics.

[@stpat7614]

You can't just say x = cbrt(7 * sqrt[53] - 20)?

[@turkishwagnerian]

Music ?

[@07Pietruszka1957]

I've been looking for over 15 minutes and I can't understand what all these transformations are for. Isn't it a waste of time?