Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 4 Quadratic Functions and Factoring - 4.7 Complete the Square - 4.7 Exercises - Quiz for Lessons 4.5-4.7 - Page 291: 8



Work Step by Step

$(-2+9i)-(7+8i)\qquad$ ...remove parentheses. $=-2+9i-7-8i\qquad$ like terms. $=-2-7+9i-8i\qquad$ ...simplify. $=-9+i$
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