Simplify derivative after using product and chain rule

[biochem850]

Homework Statement

(x^{2}-x^{-1}+1)(x^{3}+2x-6)^{7}

Homework Equations

Chain Rule & Power Rule

The Attempt at a Solution

(x^{3}+2x-6)^{6}[(x^{3}+2x-6)(2x+x^{-2})+7(3x^{2}+2)(x^{2}-x^{-1}+1)]

This is the farthest I've gotten but when I do additional computation I do not arrive at the correct simplified solution.

edit- should be "simplify derivative after using power rule and chain rule"

Homework Statement

Homework Equations

The Attempt at a Solution

Homework Statement

Homework Equations

The Attempt at a Solution

Homework Statement

Homework Equations

The Attempt at a Solution

Homework Statement

Homework Equations

The Attempt at a Solution

Homework Statement

Homework Equations

The Attempt at a Solution

 

[tiny-tim]

hi biochem850!

looks ok so far

you've probably made a mistake with a minus somewhere later …

check them first …

if that doesn't help, then show us what you did​