#### Answer

$m^2+2mn+n^2$

#### Work Step by Step

$(m+n)^2$
$m^2+2mn+n^2$

Published by
Prentice Hall

ISBN 10:
0133186024

ISBN 13:
978-0-13318-602-4

$m^2+2mn+n^2$

$(m+n)^2$
$m^2+2mn+n^2$

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