document.write( "Question 1175397: x²+y²+8x+8y=0 \n" ); document.write( "

Algebra.Com's Answer #801002 by ikleyn(52793) $\"\"$ $\"About$

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document.write( "    x² + y² + 8x + 8y = 0\r\n" );
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document.write( "    (x^2 + 8x) + (y^2 + 8y) = \r\n" );
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document.write( "    (x*2 + 8x + 16) + (y^2 + 8y + 16) = 16 + 16\r\n" );
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document.write( "Make a square\r\n" );
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document.write( "     +  = 32\r\n" );
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document.write( "It is the standard equation of the circle centered at the point (-4,-4) with the radius of   =  units.\r\n" );
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