#### Answer

$21t^{2}-26t+8$

#### Work Step by Step

First: $3t\times7t = 21t^{2}$
Outside: $3t\times-4 = -12t$
Inside: $-2\times7t =-14t$
Last: $-2\times-4 = 8$
Add the results from FOIL together:
$=21t^{2}-12t-14t+8$
$=21t^{2}-26t+8$

Published by
Brooks Cole

ISBN 10:
1305071751

ISBN 13:
978-1-30507-175-9

$21t^{2}-26t+8$

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