Fill in the blanks to Complete the square to rewrite the following equation. Identify the center and radius of the circle in the blanks indicated.
x2 + 4x + y2 − 6y = −4
x2 + 4x + ____ + y2 - 6y + ____ = 9
(x + ____ )2 + (y - ____ )2 = ____ 2
The center is located at ( ____ , ____ )
The radius is ____