SOLUTION: Factor: ab + 7b - 3a - 21
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Question 34845
:
Factor:
ab + 7b - 3a - 21
Answer by
stanbon(75887)
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ab + 7b - 3a - 21
=b(a+7) -3(a+7)
=(a+7)(b-3)
Cheers,
Stan H.
(