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Mathematics, 19.12.2019 01:31 pooch868

Which expression is equivalent to 3i(9i +15)?
- 45 +9i
-27 + 452
27 +452
2722 + 452

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Which expression is equivalent to 3i(9i +15)?
- 45 +9i
-27 + 452
27 +452
27...
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