2 (x + 1) *(x - 5) - 6
(x + 1)^2*(x - 5) - 6
Differentiate term by term:
Apply the product rule:
; to find :
Let .
Apply the power rule: goes to
Then, apply the chain rule. Multiply by :
Differentiate term by term:
Apply the power rule: goes to
The derivative of the constant is zero.
The result is:
The result of the chain rule is:
; to find :
Differentiate term by term:
Apply the power rule: goes to
The derivative of the constant is zero.
The result is:
The result is:
The derivative of the constant is zero.
The result is:
Now simplify:
The answer is:
2 (x + 1) + (2 + 2*x)*(x - 5)