Answer
$-4m^{3}-4m^{2}-2m+21$
Work Step by Step
Subtract vertically.
Line up like terms.
$\begin{array}{lllll}
-4m^{3} & & -m & +9 & \\
& 4m^{2} & +m & -12 & \\
-- & -- & -- & -- & subtract\\
-4m^{3} & -4m^{2} & -2m & +21 &
\end{array}$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 8 - Polynomials and Factoring - 8-1 Adding and Subtracting Polynomials - Got It? - Page 489: 5
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
