Answer:

Explanation:
The general shape of the equation is:
(x-a)² + (y-b)² = r²
Where (a,b) is the center and r is the radius.
(a,b) = (3,-2) is given.
To find the radius r, or even simpler, r², calculate the distance between (-3,2) and (8,2) using pythagoras.
r² = (8-3)² + (2--2)² = 41