Question

(x+1)^2 = -4
What are the solutions?

Answer 1

x = 4i - 1 or

x = 4i + 1

Explanation:

(x+1)^2 = -4

x+1 = (+-)4i

x = +-4i - 1

==>

x = 4i - 1 or

x = 4i + 1