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April 18, 2014

April 18, 2014

Posted by **nik** on Saturday, July 14, 2012 at 2:22pm.

x^2-4x-y^2+6y=9

- analytic geometry -
**drwls**, Saturday, July 14, 2012 at 2:53pm(x-2)^2 -(y-3)^2 = 9 +4 -9 = 4

[(x-2)/2]^2 - [(y-3)/2]^2 = 1

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