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Mathematics 14 Online
OpenStudy (anonymous):

In this thread: http://mymathforum.com/viewtopic.php?f=15&t=33895 how is he getting the -4x in the second solution to area?

OpenStudy (anonymous):

What I'm referring to is in the second post. Sorry for not clarifying. :) I'm just wondering how that -4x is getting in there.

OpenStudy (xishem):

The person factored out a 1/4 from the integral:\[8\int\limits\frac{2-x^2}{4}-x\ dx=8\int\limits \frac{1}{4}(2-x^2-4x)\ dx=2\int\limits2-x^2-4x\ dx\]

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