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## Homework Statement

Find the limit of f(x) as x-> - (Infinity)

## Homework Equations

(x

^{4}+1)(3-2x)

^{3}/(x+1)

^{5}(2-x

^{2})

## The Attempt at a Solution

I knew that for rational functions we have to divide both numerator and denominator by the highest power of x in the denominator, but this is confusing. Should I expand the equations? Please help ??