SOLUTION: can someone help me simplify (6i)^2 ?

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Question 92069This question is from textbook
: can someone help me simplify (6i)^2 ? This question is from textbook

Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
(6i)^2
6^2i^2
36sqrt(-1)^2
-36