SOLUTION: (-7+i)(-7-i)

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Question 620423: (-7+i)(-7-i)
Found 2 solutions by ewatrrr, josmiceli:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
   

Hi,

(-7+i)(-7-i) = 49 + 7i - 7i + 1 = 50     ||Note i^2 = -1

Answer by josmiceli(19441) About Me  (Show Source):