(3+4i)+(5+2i)=
(3+5)+(4i+2i)
8+6i
(3-5)+(4i+2i)
6+8i
(7+5i)−(3+3i)=
4+2i
(7−3)+(5i−3i)
(7+3)+(5i−3i)
-4+2i
(3+4i)+(5−2i)=
(3+5)+(4i−2i)
8+2i
(3+5)-(4i−2i)
6+2i+2
(7−5i)−(−3+3i)=
10−8i
(7−(−3))+(−5i−3i)
(7−(+3))+(−5i−3i)
9-8i+2
(3+4i)⋅(5+2i)=
7+26i
15+6i+20i+8i2
15+26i+8
(−7+5i)⋅(3−3i)=
−6+36i
−21+21i+15i−15i2
21+36i−15⋅(−1)
