1) (1\36)^2,25x-2=6
(1/36)^ (2,25x - 2) = 6 (6)^(-2(2,25x - 2)) = 6 - 2(2,25x - 2) = 1 - 4,5x + 4 = 1 - 4,5x = - 3 x = 2/3