Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Review: 136



Work Step by Step

$(3+2i)(1+i)$ $3(1+i)+2i(1+i)$ $3+3i+2i+2i^{2}$ $3+5i+2i^{2}$ Since $i^{2}=-1$, the expression becomes $3+5i+2(-1)$ Simplifying further, $3-2+5i$ Finally, $1+5i$
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