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Mathematics 15 Online
OpenStudy (anonymous):

How do I find the derivative of: x(3x - 9)^3

OpenStudy (anonymous):

Do I distribute the x first?

OpenStudy (anonymous):

=(3x-9)^3 +x*(3(3x-9)^2 *3)=(3x-9)^3 +9x(3x-9)^2

OpenStudy (anonymous):

let me know if any questions... :)

OpenStudy (anonymous):

Ok, so does it become.... 2x^2 - 79x^2 -729

OpenStudy (anonymous):

after combining everything?

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