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Homework Help: Simple integral

  1. Nov 11, 2009 #1
    integral (x^2 - 2x) e^-x dx

    Im just wondering if theres a fast way to calculate this integral or is the only way to do it by parts twice. The prof didnt show any work in the solution and went right to the solution. Am I missing something obvious?
     
    Last edited: Nov 12, 2009
  2. jcsd
  3. Nov 11, 2009 #2
    what is E?
     
  4. Nov 12, 2009 #3
    eulers number (e)
     
  5. Nov 12, 2009 #4

    Mark44

    Staff: Mentor

    I think your plan of using integration by parts is the way to go.
     
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