$$Z_{1}=\frac{3}{2}-\frac{1}{2}1; Z_{2}=\frac{1}{2}-\frac{3}{2}i; Z_{1}-Z_{2}=Z_{1}-Z_{2}$$
$Z_{1}=1$
$Z_{2}=\frac{1}{2}-\frac{3}{2}i=0.5-1.5i$