turunan pertama darif(x)=(x²-3x)³

f'(x) = 3.(x² - 3x)² . (2x - 3)
       = (6x - 9) (x² - 3x)²

f(x) = (x²-3x)³
v = x² - 3x —> v'= 2x - 3
u = v³ —> u' = 3 v² = 3(x²-3x)²

f'(x) = v' . u'
= (2x-3) . 3(x²-3x)²
= (6x - 9) (x²-3x)²

maaf kalau salah. swmoga membantu