alaizagonzalez8 alaizagonzalez8

28-12-2017
Mathematics

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i really need help !!!!!!!!!!!

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lesliekolleroxrkcf lesliekolleroxrkcf

29-12-2017

ln20+ln5=2ln x
ln(20*5) = ln x^2
ln 100 = ln x^2
100 = x^2
x = 10 second option

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