1. The problem statement, all variables and given/known data Given 3log5 xy2 + log5x = 4+2log5y, prove xy = 5. 2. Relevant equations 3. The attempt at a solution Can i prove like this? Or i must use 3log5 xy2 + log5x = 4+2log5y to prove xy=5? Meaning my final result must be xy = 5? Please enlighten me..