a^m / a^n = a^(m - n)
a^mn = (a^m)^n
a^log(a) b = b
log(a) b - log(a) c = log(a) b/c
log(5) 3√5 - log(5) √3 = log(5) √3√5 = log(5) √15
25^(log(5) √15) = 5^(2*log(5)√15) = 5^ (log(5) 15) = 15
