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x²-3x +y²+5y = 14
(x²-3x+9/4) + (y²+5y+25/4) = 14 + 9/4 + 25/4
(x-3/2)² + (y+5/2)² = 45/2 ---> C(3/2,-5/2) Radio r=
(x-h)² + (y-k)² = r² ---> C(h,k) Radio r