What is 3x^2-12x-18y+3y^2=0 ?

The solution to 3x^2-12x-18y+3y^2=0 is Circle with (a,b)=(2,3),r=sqrt(13)

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3x^2-12x-18y+3y^2=0

3 x^{2} - 12 x - 18 y + 3 y^{2} = 0

(a, b) = (2, 3), r = 13

Solution steps

3 x^{2} - 12 x - 18 y + 3 y^{2} = 0

Rewrite

3 x^{2} - 12 x - 18 y + 3 y^{2} = 0

in the form of the standard circle equation

(x - 2)^{2} + (y - 3)^{2} = (13)^{2}

Therefore the circle properties are:

(a, b) = (2, 3), r = 13

x^{2} + y^{2} - 10 x - 2 y + 22 = 0

(x + 3)^{2} + (y - 4)^{2} = 5^{2}

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

x^{2} + y^{2} - 7 x - 4 y = 0

A^{2} + B^{2} = 1024

What is 3x^2-12x-18y+3y^2=0 ?
The solution to 3x^2-12x-18y+3y^2=0 is Circle with (a,b)=(2,3),r=sqrt(13)