This equation was posted up by OnlyMath but got deleted because he posted 3 problems in 1 thread. He has not reposted it so I am because I'm curious as to how to solve it.
I already know the answer is:
I have tried really hard to try and solve it, but I get stuck because there is a plus between the powers.
I can't go because it doesn't work. You have to go which doesn't help in solving x.
Can someone show me a step in the right direction?