document.write( "Question 620455: Find the center of the ellipse 4x2 + 9y2 - 40x - 54y + 145 = 0. \n" ); document.write( "
Algebra.Com's Answer #390136 by lynnlo(4176)\"\" \"About 
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center of ellipse(5,3) \n" ); document.write( "
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