Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 8 - Polynomials and Factoring - 8-2 Multiplying and Factoring - Practice and Problem-Solving Exercises: 20

Answer

$7z^2$

Work Step by Step

Find the greatest common factor. Find the prime factors of each term and multiply the factors that are common to all the terms. $14z^4=\underline7\times2\times\underline z\times \underline z\times z\times z$ $42z^3=\underline7\times3\times2\times\underline z\times \underline z\times z$ $21z^2=\underline7\times3\times\underline z\times \underline z$ GCF $=7\times z\times z=7z^2$
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