Question

X^{2}+6x+9+y^{2}-10y+25=64

Answer 1

(x + 3)² + (y - 5)² = 8²

Explanation:

I’m assuming this is an equation of a circle.

it can be factorised to:

(x + 3)² + (y - 5)² = 8²

therefore the circle has a radius of 8 and it’s centre is located at (-3, 5).