Answer
$(m+9)(m+9)$
Work Step by Step
$m^2+18m+81$
$m^2+9m+9m+81$
$m(m+9)+9(m+9)$
$(m+9)(m+9)$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 9 - Quadratic Functions and Equations - 9-4 Factoring to Solve Quadratic Equations - Mixed Review - Page 559: 59
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