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Simplify the expression (9 + 2i)(9 − 2i): 81 − 18i 81 + 18i 77 85

Simplify the expression (9 + 2i)(9 − 2i): 81 − 18i 81 + 18i 77 85
asked 105k views
1 vote
Simplify the expression (9 + 2i)(9 − 2i):
81 − 18i
81 + 18i
77
85

asked
User Yet Another Geek
by
8.7k points

1 Answer

5 votes

Answer:

Answer is 85. Can't simplify it anymore

Explanation:

answered
User Syd Kerckhove
by
8.1k points
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