Tìm x, biết: (2x - 1)^5 - 27.(2x - 1)^2 = 0

tìm x
(2x - 1 ) mũ 5 - 27 x ( 2x - 1 ) mũ 2 = 0
3 x ( x - 3 ) mũ 3 - 27 x ( x - 3 ) = 0