Answer
(4 + $y^{2}$)(4 - $y^{2}$)
Work Step by Step
16 - $y^{4}$ = (4 + $y^{2}$)(4 - $y^{2}$)
Check by multiplying factors with FOIL:
4(4) + 4(-$y^{2}$) + $y^{2}$(4) + $y^{2}$(-$y^{2}$)
= 16 - 4$y^{2}$ + 4$y^{2}$ - $y^{4}$
= 16 - $y^{4}$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 5 - Review - Page 331: 110
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