Practice problem
Simplify (2−3i)2+(5+4i)2.(2-3i)^2 + (5+4i)^2.(2−3i)2+(5+4i)2.
4−32i4-32i4−32i
323232
4+28i4+28i4+28i
4(1−8i)4(1-8i)4(1−8i)
28i28i28i
Type a concept, like “slope” or “photosynthesis”.
