SOLUTION: (8 + i) (2 + i)

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


   

Question 711244: (8 + i) (2 + i)
Answer by tutor_paul(519) About Me  (Show Source):
You can put this solution on YOUR website!
%288%2Bi%29%282%2Bi%29
16%2B2i%2B8i%2Bi%5E2
Simplify the i terms:
16%2B10i%2Bi%5E2
i^2=-1, so substitute that:
16%2B10i-1
Simplify and you are done:
highlight%2815%2B10i%29
=================
Good Luck,
tutor_paul@yahoo.com