(36/25)^log_9 x > (5/6)^log_(1/9) (6 - 5x)
(36/25)^log_9 x > (5/6)^log_(9) (5x - 6)
(5/6)^(-2log_9 x) > (5/6)^log_(9) (5x - 6)
0 > (5/6) < 1
(-2log_9 x) < log_(9) (5x - 6)
log_9 (x^2)) < log_(9) (5x - 6)
9 > 1
x^2 < 5x - 6
x^2 - 5x + 6 < 0
x1 = - 1
x2 = 6
x ∈ (-1; 6)