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OpenStudy (anonymous):
HELP!!!! 9a4 - b2
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OpenStudy (uri):
9(a^2 + b)(a^2 - b)
OpenStudy (unklerhaukus):
(3a^2)^2 - b^2
OpenStudy (anonymous):
ok so which one is the answer
OpenStudy (unklerhaukus):
you haven't asked a question
OpenStudy (anonymous):
yes is 9a4 - b2
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OpenStudy (unklerhaukus):
is [mathematical expresion] .... ?
OpenStudy (anonymous):
no
OpenStudy (unklerhaukus):
how can you tell/?
OpenStudy (anonymous):
idk i just ned the answer
OpenStudy (anonymous):
|dw:1371565268665:dw|
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