$9y^2-76y+53$
$x^3\sqrt{x}^4-1$
$4\frac{dy}{dx}-\frac{1}{y}=\frac{3x}{y}$
$-3x^2+x-3$
$5x^2+75x^3-15x^2$
$22=t+u$
$2x-3y+z=3$
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