Answer
$18+12i$
Work Step by Step
We can use the distributive property to simplify the given expression.
$6i(2-3i)=(6i)(2)+(6i)(-3i)=12i-18i^{2}=$
$12i-(18\times-1)=12i-(-18)=12i+18=18+12i$
We know that $i^{2}=-1$.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 7 - Section 7.7 - Complex Numbers - Exercise Set - Page 463: 35
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