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September 9th, 2009, 10:36 AM   #1
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Simplifying fractions with variables in fractions

Okay so I just started doing reviews algebra and was given this question
simplify [attachment=0:2sbdpkce]Question.jpg[/attachment:2sbdpkce]
I just can't seem to get it right the methods I've used so far are:
multiplying through by c-2 (both numerator and denominator)
multiplying through by 1-(2/(C-2))
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 Question.jpg (14.6 KB, 251 views)

 September 9th, 2009, 11:03 AM #2 Global Moderator   Joined: Dec 2006 Posts: 20,264 Thanks: 1959 Multiplying through by c - 2 gives $\frac{c\,-\,2\,+\,2}{c\,-\,2\,-\,2},$ i.e., $\frac{c}{c\,-\,4}.$

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