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

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asked Dec 2, 2021 119k views

1 vote

Simplify the expression:

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

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

Mathematics
middle-school

Tim Bunce asked

by Tim Bunce

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1 Answer

5 votes

The answer is 146+2i

ur welcome

AMagic answered Dec 6, 2021

by AMagic

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