SOLUTION: perform the indicated operation and express each answer in a+bi form 1) (1/5 -2/5i)(1+2i)

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Question 925749: perform the indicated operation and express each answer in a+bi form
1) (1/5 -2/5i)(1+2i)
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Note: i^2 = -1
(1/5 - (2/5)i)(1+2i) = 1/5 + 4/5 = 1
.....
F First terms
O Outside terms
I Inside terms
L Last terms