Answer
$-20x+4x^2-2=2(-10x+2x^2-1)$
Work Step by Step
$-20x+4x^2-2$
GCF is $2$
$-20x+4x^2-2=2(-10x+2x^2-1)$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 10 - Section 10.4 - Introduction to Factoring Polynomials - Exercise Set - Page 723: 28
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