#### Answer

$14i$

#### Work Step by Step

RECALL:
$a-(-b) = a+b$
Use the rule above to obtain:
$=10i+4i$
Combine like terms by factoring out $i$ to obtain:
$=i(10+4)
\\=i(14)
\\=14i$

Published by
Pearson

ISBN 10:
0-13417-894-7

ISBN 13:
978-0-13417-894-3

$14i$

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