SOLUTION: write the expression as a complex number in standard form: (5-4i)^2

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Question 175014: write the expression as a complex number in standard form:
(5-4i)^2
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
(5-4i)^2=25-40i+16i^2=25-40i+16(-1)=25-40i-16=9-40i