#### Answer

$14i$

#### Work Step by Step

Use the rule $a-(-b) = a+b$ to obtain:
$=10i+4i$
Simplify by using the distributive property $ac+bc=(a+b)c$ to obtain:
$\\=(10+4)i
\\=14i$

Published by
Pearson

ISBN 10:
0-13446-914-3

ISBN 13:
978-0-13446-914-0

$14i$

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