Answer
$(2y+7)(2y-7)$
Work Step by Step
$4y^2-49=(2y)^2-7^2=(2y+7)(2y-7)$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Prerequisites - p.4 - Factoring Polynomials - Exercises - Page 39: 12
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