Exponential equation | (2+√5)^x + (√5-2)^x=18

[@ogheneromudiare5629]

I am referring to the final part of the solution where at 9:27

[@ogheneromudiare5629]

But 1/(2-√5) = -(2+√5) and not just (2+√5). Where did the minus go to?

[@tambuwalmathsclass]

You are right, I'll check my solution again