Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 8 - Polynomials and Factoring - 8-4 Multiplying Soecial Cases - Practice and Problem-Solving Exercises - Page 508: 23



Work Step by Step

...write $403^{2}$ as the square of a binomial. $=(400+3)^{2}$ ...square the binomial. $=400^{2}+2(400)(3)+3^{2}$ ...simplify. $=160,000+2400+9$ ...simplify. =$162,409$
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