Answer:
The center is
and the radius is
.
Step-by-step explanation:
The Equation of a circle:
(where the center is known as
and the radius is known as
).
-So, according to the following equation of a circle, the center would be
and to find the radius, you need to square the simplified radius by
in order to get the radius of the circle:
Following equation of a circle:

Center:
Radius: 