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: 79

Answer

49$m^{2}$ - 4$n^{2}$

Work Step by Step

1. Product of the sum and difference of two terms: (7m + 2n)(7m - 2n) = $(7m)^{2}$ - $(2n)^{2}$ 2. Solve exponents with power rules 49$m^{2}$ - 4$n^{2}$
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