Find the first four nonzero terms in a power series expansion about x= 0 for a general solution to the given differential equation. (x + 8) y" +y = 0 y(X) =O +.. (Type an expression in terms of a, and...

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Extracted text: Find the first four nonzero terms in a power series expansion about x= 0 for a general solution to the given differential equation. (x + 8) y" +y = 0 y(X) =O +.. (Type an expression in terms of a, and a, that includes all terms up to order 3.)