2 log 64+2 log 8-2 log 16 dan caranya tolong ya

2 log 64 + 2 log 8 - 2 log 16 = 2 log 2^6 + 2 log 2^3 - 2 log 2^4
                                             = 6 + 3 - 4
                                             = 5


semoga bisa membantu,,