Answer
$9x^2$
Work Step by Step
We start with the given expression: $8x^2+x^2$
We combine like terms using addition: $9x^2$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 7 - Exponents and Exponential Functions - 7-7 Exponential Growth and Decay - Mixed Review - Page 461: 61
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