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 502: 35



Work Step by Step

New length= x+125 yd. New width= x+75 yd. New area: $= (x+125)(x+75)$ $...$distribute the second factor, $x+75$. $=x(x+75)+125(x+75)$ ...distribute $x$ $=x^{2}+75x+125(x+75)$ ...distribute $125$. $=x^{2}+75x+125x+9375$ ...gather like terms. =$x^{2}+200x+9375$
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