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

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

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

User Tim Bunce
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1 Answer

5 votes

The answer is 146+2i

ur welcome

User AMagic
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