x²+y²-12x+24y+36=0
(x-6)²+(y+12)²=-36+36+144
(x-6)²+(y+12)²=144
144=r² r=12
O=(6,12) - środek okegu
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x²+y²-12x+24y+36=0
(x-6)²+(y+12)²=-36+36+144
(x-6)²+(y+12)²=144
144=r² r=12
O=(6,12) - środek okegu