Big Ideas Math - Algebra 1, A Common Core Curriculum

Published by Big Ideas Learning LLC
ISBN 10: 978-1-60840-838-2
ISBN 13: 978-1-60840-838-2

Chapter 7 - Polynomial Equations and Factoring - 7.1 - Adding and Subtracting Polynomials - Exercises - Page 362: 31

Answer

$-2d-8$.

Work Step by Step

The given polynomial is $=(d-9)-(3d-1)$ Clear the parentheses. $=d-9-3d+1$ Group like terms. $=d-3d-9+1$ Combine like terms. $=-2d-8$.
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