1)(3+4i)-(4+2i)=-1+2i
(5+4i)-(5-4i)=8i
2)(4-6i)-(3+2i)=1-8i
7-(8+5i)=-1-5i
3)(2+4i)-(-4+2i)=6+2i
7i-(6i+3)=-3+i
1)(4+6i)(3+4i)=-12+34i
(-3+2i)(8-4i)=-16+28i
2)(5+8i)(3-2i)=31+14i
(1/3-i)(1/2+i)=7/6-1i/6
3)(6-4i)(3-6i)=-6-48i
(5/7+4i)(7/5-2i)=9+146i/35
