Z divied by Z+2+i=3+i
Z = 3Z + Zi + 6 + 2i + 3i + i^2 Z - 3Z - iZ = i^2 + 5i + 6 Z(-2-i) = i^2 + 5i + 6 Z = -(i^2 + 5i + 6)/(i+2)
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