Mathematics, 27.09.2019 01:00 winterblanco

Simplify the expression (4 + 5i)(4 - 5i).
16 - 20i
16 + 20i
-9
41

Answers: 2

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Simplify the expression (4 + 5i)(4 - 5i).
16 - 20i
16 + 20i
-9
41...