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center-4x^2+y^2+16x+12y+16=0	center\:-4x^{2}+y^{2}+16x+12y+16=0
center 36x^2-y^2-216x+10y+263=0	center\:36x^{2}-y^{2}-216x+10y+263=0
center 4x^2-9y^2-24x-36y-36=0	center\:4x^{2}-9y^{2}-24x-36y-36=0
center x^2-y^2=6	center\:x^{2}-y^{2}=6
center x^2-25y^2-14x+100y-76=0	center\:x^{2}-25y^{2}-14x+100y-76=0
center (x^2)/(16)-(y^2)/(20)=1	center\:\frac{x^{2}}{16}-\frac{y^{2}}{20}=1
center (x^2)/(100)-(y^2)/(64)=1	center\:\frac{x^{2}}{100}-\frac{y^{2}}{64}=1
center 9y^2-25x^2-100x-108y-1=0	center\:9y^{2}-25x^{2}-100x-108y-1=0
center 9x^2-4y^2+36x+8y+33=0	center\:9x^{2}-4y^{2}+36x+8y+33=0
center (y^2)/5-(x^2)/5 =1	center\:\frac{y^{2}}{5}-\frac{x^{2}}{5}=1
center (x^2)/(60)-(y^2)/(40)=1	center\:\frac{x^{2}}{60}-\frac{y^{2}}{40}=1
center x^2-y^2-2x-2y-1=0	center\:x^{2}-y^{2}-2x-2y-1=0
center (x^2}{36}-\frac{y^2)/4 =1	center\:\frac{x^{2}}{36}-\frac{y^{2}}{4}=1
center 4x^2-25y^2+100y=200	center\:4x^{2}-25y^{2}+100y=200
center (x^2)/9-(y^2)/(64)=1	center\:\frac{x^{2}}{9}-\frac{y^{2}}{64}=1
center 9x^2-16y^2-36x-96y-252=0	center\:9x^{2}-16y^{2}-36x-96y-252=0
center 4y^2-x^2+24y+4x+28=0	center\:4y^{2}-x^{2}+24y+4x+28=0
center ((y+6)^2)/(36)-((x+4)^2)/(48)=1	center\:\frac{(y+6)^{2}}{36}-\frac{(x+4)^{2}}{48}=1
center y^2-4x^2-16x-2y-19=0	center\:y^{2}-4x^{2}-16x-2y-19=0
center 5x^2-4y^2-20x-8y-4=0	center\:5x^{2}-4y^{2}-20x-8y-4=0
center 0=9y^2-x^2+2x+72y+125	center\:0=9y^{2}-x^{2}+2x+72y+125
center 9x^2-9y^2-18x+54=0	center\:9x^{2}-9y^{2}-18x+54=0
center ((x-3)^2)/(49)-((y-5)^2)/(25)=1	center\:\frac{(x-3)^{2}}{49}-\frac{(y-5)^{2}}{25}=1
center ((y-1)/9)^2-((x-(-2))/4)^2=1	center\:(\frac{y-1}{9})^{2}-(\frac{x-(-2)}{4})^{2}=1
center ((x-3)^2)/(a^2)-((y-4)^2)/(b^2)=1	center\:\frac{(x-3)^{2}}{a^{2}}-\frac{(y-4)^{2}}{b^{2}}=1
center ((x-1)^2)/9-(y^2)/4 =1	center\:\frac{(x-1)^{2}}{9}-\frac{y^{2}}{4}=1
center ((y-2)^2)/9-((x+1)^2)/(25)=1	center\:\frac{(y-2)^{2}}{9}-\frac{(x+1)^{2}}{25}=1
center (y^2)/(25)-x^2=1	center\:\frac{y^{2}}{25}-x^{2}=1
center-4x^2+y^2+8y-20=0	center\:-4x^{2}+y^{2}+8y-20=0
center (x^2)/4-(y^2)/6 =-1	center\:\frac{x^{2}}{4}-\frac{y^{2}}{6}=-1
center 4x^2+8x-4y^2+12y-3=0	center\:4x^{2}+8x-4y^{2}+12y-3=0
center ((x-5)^2)/1-((y-4)^2)/1 =1	center\:\frac{(x-5)^{2}}{1}-\frac{(y-4)^{2}}{1}=1
center+0=-400/9 x^2+16y^2+400	center\:+0=-\frac{400}{9}x^{2}+16y^{2}+400
center-16x^2+25y^2-64x-150y-239=0	center\:-16x^{2}+25y^{2}-64x-150y-239=0
center ((y+4)^2)/9-((x+2)^2)/4 =1	center\:\frac{(y+4)^{2}}{9}-\frac{(x+2)^{2}}{4}=1
center 2y^2-x^2-y+x=0	center\:2y^{2}-x^{2}-y+x=0
center ((y+5)^2)/9-((x-3)^2)/(25)=9	center\:\frac{(y+5)^{2}}{9}-\frac{(x-3)^{2}}{25}=9
center (x^2}{16}-\frac{y^2)/9 =1	center\:\frac{x^{2}}{16}-\frac{y^{2}}{9}=1
center ((y-7)^2)/9-(x+4)^2=1	center\:\frac{(y-7)^{2}}{9}-(x+4)^{2}=1
center 2y^2-9x^2-18x+20+5=0	center\:2y^{2}-9x^{2}-18x+20+5=0
center x^2+36y-32x-y^2=75	center\:x^{2}+36y-32x-y^{2}=75
center-3x^2+2y^2+6x-7y=7	center\:-3x^{2}+2y^{2}+6x-7y=7
center ((x-3}{16})^2-\frac{(y-1)^2)/9 =1	center\:(\frac{x-3}{16})^{2}-\frac{(y-1)^{2}}{9}=1
center (x-y-3)*(x+y+3)=16	center\:(x-y-3)\cdot\:(x+y+3)=16
center 9=2y-y^2-6*(-x^2)	center\:9=2y-y^{2}-6\cdot\:(-x^{2})
center 4x^2+9y^2+3x-18y^2+37=0	center\:4x^{2}+9y^{2}+3x-18y^{2}+37=0
center 9y^2-x^2-36y-6x+18=0	center\:9y^{2}-x^{2}-36y-6x+18=0
center ((x-2)^2)/9-((y+2)^2)/9 =1	center\:\frac{(x-2)^{2}}{9}-\frac{(y+2)^{2}}{9}=1
center ((y-(-2))^2)/9-((x-5)^2)/(27)=1	center\:\frac{(y-(-2))^{2}}{9}-\frac{(x-5)^{2}}{27}=1
center ((y-2)^2}{14}-\frac{(x+6)^2)/3 =4	center\:\frac{(y-2)^{2}}{14}-\frac{(x+6)^{2}}{3}=4
center 4x^2-8y^2=3	center\:4x^{2}-8y^{2}=3
center 4x^2-6x+2=y^2-10y	center\:4x^{2}-6x+2=y^{2}-10y
center 4x^2-y^2+8x-2y+7=0	center\:4x^{2}-y^{2}+8x-2y+7=0
center x^2-y^2=4x	center\:x^{2}-y^{2}=4x
center x^2-16y^2=144	center\:x^{2}-16y^{2}=144
center ((y-1/2)^2)/2-((x+2)^2)/4 =1	center\:\frac{(y-\frac{1}{2})^{2}}{2}-\frac{(x+2)^{2}}{4}=1
center-9x^2+y^2-72x-153=0	center\:-9x^{2}+y^{2}-72x-153=0
center ((x-3)^2)/(8^2)-((y-2)^2)/(8^2)=1	center\:\frac{(x-3)^{2}}{8^{2}}-\frac{(y-2)^{2}}{8^{2}}=1
center ((x+2)^2)/(36)-((y-3)^2)/(16)=1	center\:\frac{(x+2)^{2}}{36}-\frac{(y-3)^{2}}{16}=1
center x^2-y^2-6x=7	center\:x^{2}-y^{2}-6x=7
center 4y^2-x^2=900	center\:4y^{2}-x^{2}=900
center 4x^2-9y^2-16x+18y-11=0	center\:4x^{2}-9y^{2}-16x+18y-11=0
center ((y-3)^2}{11}-\frac{(x+1)^2)/5 =1	center\:\frac{(y-3)^{2}}{11}-\frac{(x+1)^{2}}{5}=1
center ((y-1)/9)^2-((x-2)/4)^2=1	center\:(\frac{y-1}{9})^{2}-(\frac{x-2}{4})^{2}=1
center x^2-5y^2-6x-10y-1=0	center\:x^{2}-5y^{2}-6x-10y-1=0
center 4y^2=4x^2+12y-69+32x	center\:4y^{2}=4x^{2}+12y-69+32x
center 4x^2-12y^2-24x+24y+51=0	center\:4x^{2}-12y^{2}-24x+24y+51=0
center y^2-x^2= 4/25	center\:y^{2}-x^{2}=\frac{4}{25}
center x^2-y^2=15	center\:x^{2}-y^{2}=15
center (x-5)^2-(y-4)^2=1	center\:(x-5)^{2}-(y-4)^{2}=1
center x^2-9y^2=144	center\:x^{2}-9y^{2}=144
center ((x+10)^2)/(36)-((y-3)^2)/(100)=1	center\:\frac{(x+10)^{2}}{36}-\frac{(y-3)^{2}}{100}=1
center ((y+5)^2}{16}-\frac{(x+3)^2)/9 =1	center\:\frac{(y+5)^{2}}{16}-\frac{(x+3)^{2}}{9}=1
center (y^2)/(16)-(x^2)/(25)=1	center\:\frac{y^{2}}{16}-\frac{x^{2}}{25}=1
center y^2-2x^2=1	center\:y^{2}-2x^{2}=1
center-9x^2+16y^2-90x+32y-353=0	center\:-9x^{2}+16y^{2}-90x+32y-353=0
center 25x^2-16y^2+50x-32y-391=0	center\:25x^{2}-16y^{2}+50x-32y-391=0
center x^2-2y^2+3x+4y=2	center\:x^{2}-2y^{2}+3x+4y=2
center ((x-5)^2)/4-((y-3)^2)/9 =1	center\:\frac{(x-5)^{2}}{4}-\frac{(y-3)^{2}}{9}=1
center 4y^2-9x^2+8y-54x-113=0	center\:4y^{2}-9x^{2}+8y-54x-113=0
center y^2-x^2= 9/25	center\:y^{2}-x^{2}=\frac{9}{25}
center 9x^2-16y^2-108x+128y+212=0	center\:9x^{2}-16y^{2}-108x+128y+212=0
center y^2=x^2-1	center\:y^{2}=x^{2}-1
center x^2-y^2-4x-2y-1=0	center\:x^{2}-y^{2}-4x-2y-1=0
center x^2-y^2=49	center\:x^{2}-y^{2}=49
center 9x^2-16y^2+36x+32y-124=0	center\:9x^{2}-16y^{2}+36x+32y-124=0
center 16y^2-25x^2=400	center\:16y^{2}-25x^{2}=400
center x=x^2-(y^2)/9	center\:x=x^{2}-\frac{y^{2}}{9}
center 9x^2-y^2-72x+8y+119=0	center\:9x^{2}-y^{2}-72x+8y+119=0
center (y^2)/1-(x^2)/4 =1	center\:\frac{y^{2}}{1}-\frac{x^{2}}{4}=1
center x^2-y^2-6x=16	center\:x^{2}-y^{2}-6x=16
center ((y-4)^2)/(81)-((x+5)^2)/(36)=1	center\:\frac{(y-4)^{2}}{81}-\frac{(x+5)^{2}}{36}=1
center 3x^2-y^2-12x+4y+2=0	center\:3x^{2}-y^{2}-12x+4y+2=0
center (x^2)/(49)-(y^2)/(36)=1	center\:\frac{x^{2}}{49}-\frac{y^{2}}{36}=1
center 9x^2-4y^2+54x-8y+78=0	center\:9x^{2}-4y^{2}+54x-8y+78=0
center (x^2)/4-(y^2)/(12)=1	center\:\frac{x^{2}}{4}-\frac{y^{2}}{12}=1
center ((x-2)^2)/4-(y^2)/9 =1	center\:\frac{(x-2)^{2}}{4}-\frac{y^{2}}{9}=1
center-321+108x-9x^2+8y+4y^2=0	center\:-321+108x-9x^{2}+8y+4y^{2}=0
center ((y-5)^2}{81}-\frac{(x+8)^2)/9 =1	center\:\frac{(y-5)^{2}}{81}-\frac{(x+8)^{2}}{9}=1
center (x^2)/(64)-(y^2)/(36)=1	center\:\frac{x^{2}}{64}-\frac{y^{2}}{36}=1

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