#### Answer

$20-60i$

#### Work Step by Step

Combine using difference of squares.
$(9-i^2)(2-6i)$
Use the FOIL method to multiply the binomials.
$18-54i-2i^2+6i^3$
Substitute $-1$ for $i^2$.
$18-54i-2(-1)+6i(-1)$
Add/subtract like terms.
$20-60i$

Published by
Pearson

ISBN 10:
0321671791

ISBN 13:
978-0-32167-179-0

$20-60i$

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