Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 10 - Section 10.4 - Special Products - Exercise - Page 352: 2



Work Step by Step

RECALL: $(a+b)^2a^2+2ab+b^2$ Use the formula above to have: $(x+3)^2 \\=x^2 + 2(x)(3) + 3^2 \\=x^2+6x+9$
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