Algebra 2 (1st Edition)

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

Chapter 5 Polynomials and Polynomial Functions - 5.7 Apply the Fundamental Theorem of Algebra - 5.7 Exercises - Skill Practice - Page 384: 50

Answer

See below.

Work Step by Step

We only have one zero left and by the complex conjugates theorem these conjugates would come in pairs. Thus, the third zero must be real.
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