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IgorLugansk [536]
4 years ago
11

Please Help! Find the product of (x + (3+5i))2.

Mathematics
1 answer:
-Dominant- [34]4 years ago
5 0
(x + (3 + 5i))*(x + (3+5i))
= x^2 + x(3+5i) + x(3+5i) + (3 + 5i)^2
= x^2 + 2x(3+5i) + 9 + 6(5i) + 25i^2
= x^2 + 6x +10xi + 9 + 30i - 25
= x^2 + 6x + 10xi + 30i - 16
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