#### Answer

$27 + 3i$

#### Work Step by Step

$-3i(-1 + 9i) = 3i - 27i^2 = 3i - 27(-1) = 27 + 3i$

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

$27 + 3i$

$-3i(-1 + 9i) = 3i - 27i^2 = 3i - 27(-1) = 27 + 3i$

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