document.write( "Question 422335: find the center of this ellipse: 16x^2+4y^2+64x+24y+36=0 \n" ); document.write( "
Algebra.Com's Answer #294802 by stanbon(75887)\"\" \"About 
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find the center of this ellipse:
\n" ); document.write( "16x^2+4y^2+64x+24y+36 = 0
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\n" ); document.write( "16(x^2+4x+4) + 4(y^2+6y+9) = -36+16*4+4*9
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\n" ); document.write( "16(x+2)^2 + 4(y+3) = 24
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\n" ); document.write( "Center at (-2,-3)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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