What is x^2+y^2-6x-9=-6y-1+1 ?

The solution to x^2+y^2-6x-9=-6y-1+1 is Circle with (a,b)=(3,-3),r=3sqrt(3)

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x^2+y^2-6x-9=-6y-1+1

x^{2} + y^{2} - 6 x - 9 = - 6 y - 1 + 1

(a, b) = (3, - 3), r = 33

Solution steps

x^{2} + y^{2} - 6 x - 9 = - 6 y - 1 + 1

Rewrite

x^{2} + y^{2} - 6 x - 9 = - 6 y - 1 + 1

in the form of the standard circle equation

(x - 3)^{2} + (y - (- 3))^{2} = (33)^{2}

Therefore the circle properties are:

(a, b) = (3, - 3), r = 33

y = x^{2} + y^{2} - 6 x - 2 y - 26

(x + 0)^{2} + (y + 0)^{2} = 3^{2}

(X - 5)^{2} + (y - 4)^{2} = 25

(x + 5)^{2} + (y + 5)^{2} = 64

x^{2} + y^{2} - 8 x - 6 y = - 9

What is x^2+y^2-6x-9=-6y-1+1 ?
The solution to x^2+y^2-6x-9=-6y-1+1 is Circle with (a,b)=(3,-3),r=3sqrt(3)