# transformations to make a differential equation in some standard form

HI I have a equation like this

I want to make it like in this form

could any one help me what are the suitable transformation I can make or any other way orprosses? thank you.

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Do you have more context? It might give clues as to how to find the transformation. [Also if I were you then I'd try to improve your accept rate $-$ it will put people off answering if it stays at 52%.] –  Clive Newstead Sep 24 '12 at 11:18