Why don't I have to factor out the (1+h)^2? on problem 2, page 2?
http://www.math.wisc.edu/~hernande/Teaching/UM/Math115Sec011Winter2011/Quizzes/Quiz3/Solution/Quiz3Sol.pdf

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yea but i don't need to square 1+h because why? lol

usually i have to square it... that's why. especially for a slope problem.

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