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OpenStudy (anonymous):
which is equivalent to the following expression (3m^2+2mn-n^2)+(m^2=4mn-n^2)
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OpenStudy (anonymous):
what are the answers?
OpenStudy (anonymous):
\[4m^2+6mn-2n^2\]
OpenStudy (anonymous):
there is an equal sign in ur expression, is that suppose to be there?
OpenStudy (anonymous):
no its a plus
OpenStudy (anonymous):
2(2m^2+3mn-2n^2) or $m^2+6mn-2n^2
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OpenStudy (anonymous):
4m^2+6mn-2n
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