#### Answer

$-25.875-19.875i$

#### Work Step by Step

$(1.5-4.5i)(2.25-6.5i)$
=$1.5(2.25-6.5i)-4.5i(2.25-6.5i)$
=$3.375-9.75i-10.125i+29.25i^{2}$
=$3.375-19.875i+29.25(-1)$
=$3.375-19.875i-29.25$
=$-25.875-19.875i$

Published by
Brooks Cole

ISBN 10:
0-53449-636-9

ISBN 13:
978-0-53449-636-4

$-25.875-19.875i$

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