$$2/ { x }^{ 2 } -9+x/x-3$$
$-11+\frac{2}{x^{2}}$
$$\frac{2}{x^{2}}-9+1-3$$
$$\frac{2}{x^{2}}-8-3$$
$$\frac{2}{x^{2}}-11$$
$$\frac{2}{x^{2}}-\frac{11x^{2}}{x^{2}}$$
$$\frac{2-11x^{2}}{x^{2}}$$
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$-\frac{11x^{2}-2}{x^{2}}$
