2 x *(x + 4)
x^2*(x + 4)
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:
2 x + 2*x*(x + 4)
2*(4 + 3*x)
6