Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 8 - Polynomials and Factoring - 8-2 Multiplying and Factoring - Practice and Problem-Solving Exercises - Page 483: 35



Work Step by Step

First, we need to know that: The area of wooden frame = outside area - side area So, =(7x+1)(5x) - (5x)(3x) We can now take 5x from both sides and put it outside =5x(7x+1-3x) Simplify, =5x(4x+1) -------------------------- *Drawing the diagram helps us to understand the problem easier.
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