College Algebra (11th Edition)

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

Chapter R - Section R.3 - Polynomials - R.3 Exercises: 61

Answer

16$x^{4}$ - 25$y^{2}$

Work Step by Step

1. Product of the sum and difference of two terms: (4$x^{2}$ - 5y)(4$x^{2}$ + 5y) = $(4x^{2})^{2}$ - $(5y)^{2}$ 2. Solve exponents with power rules 16$x^{4}$ - 25$y^{2}$
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