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Mathematics 17 Online
OpenStudy (anonymous):

a2 + 4ab - 45b2 help

OpenStudy (anonymous):

wasn't this JUST posted?

OpenStudy (anonymous):

\[a^2 + 4ab - 45b^2 \]

OpenStudy (anonymous):

yes it was

OpenStudy (anonymous):

lol

OpenStudy (anonymous):

(a+9b)(a-5b)

OpenStudy (anonymous):

er.....

OpenStudy (anonymous):

factor the last term and find what sum equals the middle term

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