SOLUTION: Differentiate with respect to x (1-x^2)(x+1)^2

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Question 990506: Differentiate with respect to x (1-x^2)(x+1)^2
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
y = (1-x^2)(x+1)^2
y = (1-x^2)(x^2 + 2x + 1)
y = (x^2 + 2x + 1 - x^4 - 2x^3 - x^2)
x^2 - x^2 = 0
y = -x^4 - 2x^3 + 2x + 1
dy/dx = -4x^3 - 6x^2 + 2
Hope this helps :-)