Answer:
centre = (- 5, 7 )
Step-by-step explanation:
The equation of a circle in standard form is
(x - h)² + (y - k)² = r²
where (h, k) are the coordinates of the centre and r is the radius
(x + 5)² + (y - 7)² = 36 ← is in standard form
with h = - 5 and k = 7
centre = (- 5, 7)
