SOLUTION: can you help me solve this problem? 5i(4-2i)

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Question 120719This question is from textbook Algebra 2
: can you help me solve this problem?

5i(4-2i) This question is from textbook Algebra 2

Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
5i(4-2i)

By distributive property
5i(4-2i)
20i+-10i%5E2

Remember that i%5E2=-1
20i+-10i%5E2
20i+-10%2A%28-1%29
20i+10 or 10 +20i

R^2