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Mathematics 21 Online
OpenStudy (anonymous):

I will give anyone a medal if they can help me! It will be posted below.

OpenStudy (anonymous):

\[\frac{ m^2+mn-2n^2 }{ m^3+m^2n }\times \frac{ m^2+3mn+2n^2 }{ m }\]

OpenStudy (nikato):

Have you try to factor any of them by yourself yet?

OpenStudy (anonymous):

yes and im not sure if its right. Ill put it up

OpenStudy (nikato):

Ok

OpenStudy (anonymous):

\[\frac{ mn(m-2n }{ m^2(m+n) }\times \frac{ (m+n)(m+2n) }{ m }\]

OpenStudy (anonymous):

is that right @nikato

OpenStudy (nikato):

They're all right except m^2 +mn-2n^2

OpenStudy (nikato):

You should know it should look like (m _ _n)(m_ _n) Now you have to figure if its +/- and the coefficient for n

OpenStudy (nikato):

And in thi case, you are looking for two numbers that multiply and get -2 but their sum is 1

OpenStudy (anonymous):

Would my final answer be \[\frac{ m+2n)^2(m-n) }{m^3 }\]

OpenStudy (nikato):

Yes

OpenStudy (anonymous):

Thank you!

OpenStudy (nikato):

You're welcome

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