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## Homework Statement

Expand f(x)= (x+x

^{2})/(1-x)

^{3}

## Homework Equations

???

## The Attempt at a Solution

I've tried everything I can think of to simplify this equation: substitution of various other power series, partial fraction decomposition, taking derivatives, multiplying out the denominator. It's driving me nuts. Thanks for any steps in a new direction.