SOLUTION: how to solve (1-2i)(2+i)

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: how to solve (1-2i)(2+i)      Log On


   



Question 438783: how to solve
(1-2i)(2+i)

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
how to solve
(1-2i)(2+i)
---
1(2+i)-2i(2+i)
2+i-4i +2
---
= 4-3i
=============
Cheers,
Stan H.