Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 4 - Section 4.4 - Multiplying Polynomials - 4.4 Exercises - Page 305: 58



Work Step by Step

From Page 302, we know that the square of a binomial difference $x-y$ is given by the following equation: $(x-y)^{2}=x^{2}-2xy+y^{2}$ Therefore, $(a-3)^{2}=a^{2}-2(a)(3)+3^{2}=a^{2}-6a+9$.
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