3 x *(x - 2)
x^3*(x - 2)
Apply the product rule:
; to find :
Apply the power rule: goes to
Differentiate term by term:
The derivative of the constant is zero.
The result is:
Now simplify:
The answer is:
3 2 x + 3*x *(x - 2)
6*x*(-2 + 2*x)
12*(-1 + 2*x)