#### Answer

$2z^{2}$ , $3$

#### Work Step by Step

$2z^{3}+6z^{2}+3z+9$
...the first two terms:
$2z^{3}=(2)\cdot(z\cdot z)\cdot z$
$6z^{2}=(2)\cdot(z\cdot z)$
GCF: $2z^{2}$
...the last two terms:
$3z=(3)\cdot z$
$9=(3)\cdot 3$
GCF: $3$

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Published by
Prentice Hall

ISBN 10:
0133281140

ISBN 13:
978-0-13328-114-9

$2z^{2}$ , $3$

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