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Question from vincent, a student:

How do you factor

the ( ) are exponents

4b4b(3)+ a(2)b - 4a - ab(4)

I still don't understand if there is no a in 4b4b

Vincent,

I think there is a typo in this problem. I think it should be

4b3+ a2b - 4a - ab4

Can you factor it now?
Penny

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