Solve Recurrence Relation: A0,A1,A2 Given

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swtlilsoni
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Homework Statement



An=3An-2-2An-3

When
A0=3
A1=1
A2=8

I tried to solve it normally like a normal recurrence relation however since it is not A sub n-1, it turns into a polynomial where the variable is raised to the third power which I couldn't factor and the whole thing turned into a mess.
 

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