I hope my posting is not against the rules.(adsbygoogle = window.adsbygoogle || []).push({});

The equation is not that difficult but I had being out of school for 20 years.

y"+2y'+4y=0 Then I do

r^2+2r+4=0

then you can not do

(r+2)(r+2)=0 because do not work. can I have some help plz?

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# Help on Solving this Eq.

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