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Mathematics 11 Online
OpenStudy (anonymous):

HELP!!!! 9a4 - b2

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

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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