1)
5 + log4(128) - log4(2)
5 + log4(2^7) - log4(2)
5 + 7log4(2) - log4(2)
5 + 7 - 1
5 + 6
= 11

2)
log(1/6)(36) / 3log3(2)
log(1/6)(6^2) / log3(2^3)
log(1/6)(36) / log3(8)
log(1/6)(36) / log(3)(2^2)
log(1/6)(36) / 2log(3)2
log(1/6)(36) / 2
log(1/6)(36) - log(1/6)(2)
log(6^-1)(36) - log(6^-1)(2)
-1log(6)(36) + -1log(6)(2)
-12 - (-1)1
-2 + 1
= -1