1. Let $r$ be a solution of the equation $x^{3}-x+3=0$, then the monic cubic equation with integer coefficients whose solution is $r^{2}$ is $\qquad$

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1. $x^{3}-2 x^{2}+x-9=0$

Translates to:

1. $x^{3}-2 x^{2}+x-9=0$