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February 1, 2015

February 1, 2015

Posted by **Z32** on Friday, October 23, 2009 at 5:14pm.

f(x) = x^3 (x+2)^6

f'(x) = x^3 * 6(x+2)^5 + 3x^2 * (x+2)^6

- Calculus -
**Reiny**, Friday, October 23, 2009 at 5:52pmI see a common factor of 3x^2(x+2)^5

so

x^3 * 6(x+2)^5 + 3x^2 * (x+2)^6

= 3x^2(x+2)^5[2x + x+2}

= 3x^2(x+2)^5(3x+2)

- Calculus -
**Z32**, Friday, October 23, 2009 at 6:03pmThanks.

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