9log(2x-5)+9logx=1/2

9'log (2x - 5) + 9'log x = 1/2
9'log (2x - 5)x = 1/2
x(2x - 5) = 9^(1/2)
2x² - 5x = √9
2x² - 5x - 3 = 0
(2x + 1)(x - 3) = 0
x = -1/2 ; x = 3

Syarat numerus : > 0

NiLai x yg memenuhi :
x = 3