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 - 8-3 Multiplying Binomials - Practice and Problem-Solving Exercises - Page 503: 48



Work Step by Step

Let a be the lenth of a side of a cube Formula of surface area of a cube: 6$a^{2}$ Plug in value for a: 6$(3a+1)^{2}$ =6(3a+1)(3a+1) =6(9$a^{2}$+3a+3a+1) (FOIL-First Inside Outside Last) =6(9$a^{2}$+6a+1) (Combine like terms) =54$a^{2}$+36a+6
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