(1+i)^7(1-i)+(1+4i)/(3-2i)
=(1+i)(1-i)(1+i)^6+(1+4i)(3+2i)/13
=2(1+i)^6+(3+14i-8)/13
=2(2i)^3+(14i-5)/13
=16i^3+14i/13-5/13
=-16i+14i/13-5/13
=-194i/13-5/13