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: 49

Answer

(a) B (b) C (c) A (d) D

Work Step by Step

(a) and (b) follow the pattern for $(a + b)^{2}$ = $a^{2}$ + 2ab + $b^{2}$. (c) and (d) follow the pattern for (a + b)(a - b) = $a^{2}$ - $b^{2}$ We can then check the factorizations with FOIL.
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