Algebra 1

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

Chapter 8 - Polynomials and Factoring - 8-6 Factoring ax(squared) + bx + c - Practice and Problem-Solving Exercises: 14

Answer

$(z+4)(5z-1)$

Work Step by Step

Rewrite 19z as -1z + 20z $5z^{2} + 19z - 4 = 5z^{2} -1z + 20z -4$ Factor out GCF of each pair of terms, which would be $z(5z-1)+4(5z-1)$ Now use distributive property = $(z+4)(5z-1)$
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