What is x^2+6x+9+y^2-10y-25=36 ?

The solution to x^2+6x+9+y^2-10y-25=36 is Circle with (a,b)=(-3,5),r=sqrt(86)

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x^2+6x+9+y^2-10y-25=36

x^{2} + 6 x + 9 + y^{2} - 10 y - 25 = 36

(a, b) = (- 3, 5), r = 86

Solution steps

x^{2} + 6 x + 9 + y^{2} - 10 y - 25 = 36

Rewrite

x^{2} + 6 x + 9 + y^{2} - 10 y - 25 = 36

in the form of the standard circle equation

(x - (- 3))^{2} + (y - 5)^{2} = (86)^{2}

Therefore the circle properties are:

(a, b) = (- 3, 5), r = 86

(x - 3)^{2} + (y + 7)^{2} = 9

y^{2} + x^{2} - 10 x + 4 y - 7 = 0

x (x - 12) + y (y + 2) = 12

(x^{2} + 4 x) + (y^{2} - 10 y) = - 4

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

What is x^2+6x+9+y^2-10y-25=36 ?
The solution to x^2+6x+9+y^2-10y-25=36 is Circle with (a,b)=(-3,5),r=sqrt(86)