Help Solve The Limit: lim_{x->4} [1/(x-1)^2 - 1/9]/(x-4)

Lolz666 said:
a. \(\displaystyle \lim_{x\rightarrow4} \cfrac{\dfrac{1}{(x-1)^2} - \dfrac{1}{9}}{x-4}\)

Can anyone help me out on this?
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The standard solution method is to rearrange the complex fraction into one simple(r) fraction. How far have you gotten in that process?

Please be complete. Thank you!

Eliz.
 
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