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: 47

Answer

$6x^{2}$+24x+24

Work Step by Step

1. Find Surface Area using the formula A=$6s^{2}$ 2. The side length of the cube is s=(x+2) 3. FOIL using $6s^{2}$ A=6[(x+2)(x+2)] A=6[(x)(x)+(2)(x)+(x)(2)+(2)(2)] A=6[$x^{2}$+2x+2x+4] A=6[$x^{2}$+4x+4] 4. Simplify A=$6x^{2}$+24x+24
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