Answer
$14s^{4}-4s^{2}+9s+7$
Work Step by Step
$(6s^{4}+7s^{2}+7)+(8s^{4}-11s^{2}+9s)=$
...distribute (remove parentheses)
$=6s^{4}+7s^{2}+7+8s^{4}-11s^{2}+9s$
...gather like terms
$=14s^{4}-4s^{2}+9s+7$
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 - Chapter Review - Page 536: 13
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