#### Answer

$2p(p+7)(p-3)$

#### Work Step by Step

Pull out the greatest common factor of the trinomial. Then since the coefficient of the variable squared is $1$, factor using trial and error.
$2p^3+8p^2-42p$
$=2p(p^2+4p-21)$
$=2p(p+7)(p-3)$

Published by
Brooks Cole

ISBN 10:
0-53449-636-9

ISBN 13:
978-0-53449-636-4

$2p(p+7)(p-3)$

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