Germany | Can You Solve This? | A Nice Olympiad Algebra Trick | Best Trick...

[@jamesharmon4994]

By observation, -1 is one of the solutions. This implies that x+1 is a factor.

[@DanCarloDioquino]

I just got 1 of the solutions i did 6th rooth both sides then solve

[@HEMANTPUSPANATHANMoe]

Bro isn't it just as easy as normal algebra:
(x + 3)^6 = 2^6
(-1 + 3)^6 = 2^6
2^6 = 2^6

[@noobwhyyes9940]

-1 is only one of the solutions tho