College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter R - Section R.4 - Factoring Polynomials - R.4 Exercises - Page 38: 45



Work Step by Step

Check factorization with FOIL: $(2xy+7)^{2}$ = $(2xy)^{2}$ + 2(2xy)(7) + $7^{2}$ = 4$x^{2}y^{2}$ + 28xy + 49
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