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Homework Help: Second order differential equation

  1. Sep 23, 2010 #1
    Hi, i need help solving this equation:

    [tex] y'' + 4y' + 4y = 0 [/tex]

    any help is appreciated!
     
  2. jcsd
  3. Sep 23, 2010 #2

    rock.freak667

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    Homework Helper

    What attempt have you made?

    Here is a hint: For a 2nd order DE with constant coefficients, try using y=emx as a trial solution.
     
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