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: 47

Answer

$(a - 3b - 3)^{2}$

Work Step by Step

Check factorization with FOIL and perfect squares rule: $(a - 3b - 3)^{2}$ = $((a - 3b) - 3)^{2}$ = $(a - 3b)^{2}$ + 2(a - 3b)(-3) + $(-3)^{2}$ = $(a - 3b)^{2}$ - 6(a - 3b) + 9
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