document.write( "Question 1209660: Find the conic section represented by the equation\r
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\n" ); document.write( "\n" ); document.write( "x^2 - 4x + y^2 = y^2 + 8x + 20 \n" ); document.write( "
Algebra.Com's Answer #849779 by ikleyn(52800)\"\" \"About 
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\n" ); document.write( "Find the conic section represented by the equation\r
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\n" ); document.write( "\n" ); document.write( "x^2 - 4x + y^2 = y^2 + 8x + 20
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\n" ); document.write( "\n" ); document.write( "Reduce to the standard form \r
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\n" ); document.write( "\n" ); document.write( " x^2 - 12x - 20 = 0.\r
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\n" ); document.write( "\n" ); document.write( "This equation does not represents any conic section \r
\n" ); document.write( "\n" ); document.write( "(neither circle, nor ellipse, nor parabola, and nor hyperbola).\r
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\n" ); document.write( "\n" ); document.write( "ANSWER. This equation does not represent any conic section.\r
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\n" ); document.write( "\n" ); document.write( "The answer in the post by @CPhill is INCORRECT.\r
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