SOLUTION: Directions: Solve the equation by completing the square. Express any complex numbers using i notation. x^2+12x=-24

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Question 45253: Directions: Solve the equation by completing the square. Express any complex numbers using i notation.
x^2+12x=-24
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
x^2 + 12x = -24
(x + 6)^2 = -24 + 36
(x + 6)^2 = 12
x + 6 = +- sqrt(12)
x = -6 +- 2sqrt(3)