Complete the square to rewrite the following equation. Identify the center and radius of the circle. You must show all work and calculations to receive credit.

[x^2 − 4x + y^2 + 8y = −4]

x² − 4x + y² + 8y = −4

x^2 - 4x + (4/2)²  +    y² + 8y + (8/2)²  =  -4 + (4/2)²  +(8/2)²

(x - 2)² + (y + 4)² = -4 + 4 + 16 = 16

(x - 2)² + (y + 4)²  = 4²

That's a circle with

center (2,-4)  radius 4

i'm sorry i don't know

step-by-step explanation: