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 - 8-6 Factoring ax2+bx+c - Practice and Problem-Solving Exercises - Page 521: 36

Answer

Length $= 6x+15$

Work Step by Step

The given area is $=18x^2+69x+60$ Factor. $=(3x+4)(6x+15)$ Width $=3x+4$. Formula for the area is $=$ length $\times $ width. Or we can write. $\Rightarrow (3x+4)(6x+15)=$length $\times (3x+4)$ Divide both sides by $(3x+4)$. $\Rightarrow 6x+15=$length
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