Square both sides so that it becomes x^5 = 32^2. 32^2 is just a number so evaluate that, and then take the 5th root.
Or take the 5th root first so that it becomes x^(1/2) = 32^(1/5) and then square it.
For this you'll need to remember you exponent laws. (e^a)^b = e^ab.
Alternatively, if this is A level, use logarithms: (5/2)ln x = ln 32. >> ln x = (2/5)ln32. >> x = e^((2/5)ln32)