Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 8 - Polynomials and Factoring - 8-3 Multiplying Binomials - Practice and Problem-Solving Exercises - Page 491: 48



Work Step by Step

1. surface area can be found using formula: A=$6s^{2}$ 2. We have the side length of the cube: s=(3a+1) 3.Apply foil to A=$6s^{2}$ A=6[(3a+1)(3a+1)] A=6[(3a)(3a)+(1)(3a)+(3a)(1)+(1)(1)] A=6[$9a^{2}$+3a+3a+1] A=6[$9a^{2}$+6a+1] 4. Simplify A=$54a^{2}$+36a+6
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