Factorization of ideal of a quotient ring

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Consider the ring $R=\mathbb{C} [x, y] /(f(x, y)) $ where $f(x, y) =y^2-x(x^2-1)$. Is there any systematic way to determine factorization of ideal generated by (image of) $x-2$ in $R$?

Just some hints for computation are sufficient.