Question

pls help me with the problem..

Answer 1

Take the logarithm base 125 of both side
9x - 2 = (log150) / (log125)

Replace 2 to the other side
9x = (log150) / (log125) + 2

So,
X = {(log150) / (log125) x 9} + (2/9)

:. X = {log(2343750) + 2 i π n} / 27 log(5)
and n ∈ Z