Answer
$7m^2-11m-2$.
Work Step by Step
The given polynomial is
$=(4m^2-m+2)-(-3m^2+10m+4)$
Clear the parentheses.
$=4m^2-m+2+3m^2-10m-4$
Group like terms.
$=4m^2+3m^2-m-10m+2-4$
Combine like terms.
$=7m^2-11m-2$.
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
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: 34
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