Completing the Square to Find Center & Radius

Question

1. Complete the square below to put the equation of the circle in standard form. Give the center and radius of the circle.

x² + 2x + y² - 24y = -120

Answer 1

center is (-1,12), radius = 5

x^2 +2x + 1 + y^2 -24y + 144 = 120

(x+1)^2 + (y-12)^2 = 5^2