What is x^2+y^2+4x+28y=175 ?

The solution to x^2+y^2+4x+28y=175 is Circle with (a,b)=(-2,-14),r=5sqrt(15)

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x^2+y^2+4x+28y=175

x^{2} + y^{2} + 4 x + 28 y = 175

(a, b) = (- 2, - 14), r = 515

Solution steps

x^{2} + y^{2} + 4 x + 28 y = 175

Rewrite

x^{2} + y^{2} + 4 x + 28 y = 175

in the form of the standard circle equation

(x - (- 2))^{2} + (y - (- 14))^{2} = (515)^{2}

Therefore the circle properties are:

(a, b) = (- 2, - 14), r = 515

4 x^{2} + 4 y^{2} - 16 x + 24 y - 51 = 0

(x + 1)^{2} + (y - 1)^{2} = 40

(x + 1)^{2} + (y - 3)^{2} - 2 = x + y - 2

25 = (x - 4)^{2} + (y + 1)^{2}

(x + 1)^{2} + (y - 1)^{2} = 36

What is x^2+y^2+4x+28y=175 ?
The solution to x^2+y^2+4x+28y=175 is Circle with (a,b)=(-2,-14),r=5sqrt(15)