SOLUTION: Add the complex expression and simplify. Show all work please. (9+9.4i)+(-8.6-4i)

Algebra ->  Decimal-numbers -> SOLUTION: Add the complex expression and simplify. Show all work please. (9+9.4i)+(-8.6-4i)      Log On


   

Question 467631: Add the complex expression and simplify. Show all work please.
(9+9.4i)+(-8.6-4i)
Found 2 solutions by CubeyThePenguin, ikleyn:
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
Combine the real numbers and imaginary numbers separately.

(9 + 9.4i) + (-8.6 - 4i) = 0.4+%2B+5.4i

Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.


Ignore the post by @Penguin, since it is incorrect.

Take my correct solution below. 


        Combine the real numbers and imaginary numbers separately.


        (9 + 9.4i) + (-8.6 - 4i) = 0.4 + 5.4i.      ANSWER

Solved.