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Mathematics 21 Online
OpenStudy (anonymous):

how do I locate the focus and the distance from the the center to a focus of 9x2+25y2-36x+50y-164

terenzreignz (terenzreignz):

It looks like we have ellipse on the menu, what say you? :D

terenzreignz (terenzreignz):

But uhmm, without an equal sign, this is just an expression, is this whole thing equal to zero, or something else?

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