SOLUTION: (8+5i)^2

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: (8+5i)^2      Log On


   

Question 943447: (8+5i)^2
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
(8+5i)^2
(8+5i)(8+5i)
applying FOIL:
64 + 40i + 40i + 25i^2
64 + 80i + 25i^2
64 + 80i + 25(-1)
39 + 80i