z^2 = -225z = √(-225)z = ±15i
z^2 - 27 + 2 = 0z^2 = 25z = ±5
z^2 = -169z = √(-169)z = ±13i
z^2 - 27 + 5 = 0z^2 = 22z = ±√22
z^2 = -225
z = √(-225)
z = ±15i
z^2 - 27 + 2 = 0
z^2 = 25
z = ±5
z^2 = -169
z = √(-169)
z = ±13i
z^2 - 27 + 5 = 0
z^2 = 22
z = ±√22