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 - Apply What You've Learned - Page 503: b



Work Step by Step

The length of Roberto's plot is $x+6$ ft. The width of Roberto's plot is $x+3$ ft. The area of Roberto's plot is $(x+6)(x+3)$ $T$able of products$:$ $\begin{array}{rlll} & x & +3 & \\ \hline x |& x^{2} & +3x & \\ +6| & 6x & -18 & \end{array}$ $=x^{2}+3x+6x+18$ ...gather like terms. =$x^{2}+9x+18$
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