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December 21, 2014

December 21, 2014

Posted by **elle** on Wednesday, February 21, 2007 at 2:17am.

-2(3e^-x-e^x)(-3e^-x-e^x)

could this be simplified as

-2(3e^-x-e^x)-(3e^-x-e^x)

which would then become

(-2-1)(3e^-x-e^x)

i feel this isn't right however...

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