#### Answer

(3a-7)(a+b)

#### Work Step by Step

3$a^{2}$+3ab-7a-7b=
3a(a+b)-7(a+b)=
(3a-7)(a+b)

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

(3a-7)(a+b)

3$a^{2}$+3ab-7a-7b=
3a(a+b)-7(a+b)=
(3a-7)(a+b)

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