This is a calculus equation, but I'm having trouble with the algebra part of it.(adsbygoogle = window.adsbygoogle || []).push({});

http://calcchat.tdlc.com/solutionart/calc8e/02/e/se02e01045.gif [Broken]

I'm confused about how they simplify from step 4 to 5. Can someone help me?

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# Homework Help: Algebra (Complex Fractions)

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