turunan pertama dari f(x)= (x²-x)(x³-2)

jawabannya itu E yaaaa

f(x) = (x^2 - x)(x^3 - 2)
= x^5 - x^4 - 2x^2 + 2x
f'(x) = 5x^(5-1) - 4x^(4-1) - 2×2x^(2-1) + 2×1x^(1-1)
= 5x^4 - 4x^3 - 4x^1 + 2x^0
= 5x^4 - 4x^3 - 4x + 2 (E)