$$x^{2}(x+10)^{2}-576$$
$\left(x\left(x+10\right)\right)^{2}-576$
$$x^{2}\left(x^{2}+20x+100\right)-576$$
$$x^{4}+20x^{3}+100x^{2}-576$$
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$x^{4}+20x^{3}+100x^{2}-576$
