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: 47



Work Step by Step

Formula of surface area of a cube: 6$a^{2}$ Plug in value for $a$: 6$(x+2)^{2}$ Thus; =6(x+2)(x+2) =6[$x^{2}$+2x+2x+(2)(2)] (FOIL: First Outer Inner Last) =6($x^{2}$+4x+4) (Simplify and combine like terms) =6$x^{2}$+24x+24 (Distribute common factors to terms in parenthesis)
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