hannamcbrayer1
hannamcbrayer1
23-02-2017
Mathematics
contestada
Use FOIL!!!!!! plz help!!!
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trishinada63
trishinada63
23-02-2017
The last one is the answer.
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Аноним
Аноним
23-02-2017
(b+3)(b-9)
F: b^2
O: -9b
I: +3b
L: -27
so
b^2 -9b +3b -27
=b^2 -6b -27
answer b^2 -6b -27 (last choice)
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