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Simplify the expression: (7 +9i)(8 - 10i) 56 + 2i + 90 56 + 2i – 90i^2 97 + 72i 146 + 2i​

Simplify the expression: (7 +9i)(8 - 10i) 56 + 2i + 90 56 + 2i – 90i^2 97 + 72i 146 + 2i​
asked 119k views
1 vote
Simplify the expression:

(7 +9i)(8 - 10i)

56 + 2i + 90
56 + 2i – 90i^2
97 + 72i
146 + 2i​

asked
User Tim Bunce
by
7.7k points

1 Answer

5 votes

The answer is 146+2i

ur welcome

answered
User AMagic
by
7.8k points
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User Subrat Pani
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Simplify the expression: (7 + 9i)(8 – 10i). 1) 56 + 2i + 902) 56 + 2i – 90i23) 97 + 72i4) 146 + 2i
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