$4x^2+4x-285$
$\left(x^2-x\right)^2-22\left(x^2-x\right)+40$
$x^2+x-72>0$
$\frac{3a^2b^2c^2-2ab^2c+\sqrt{5abc}}{abc}$
$\frac{2x+3}{x\left(x-1\right)}$
$x^2-3x+7<4x-3$
$\frac{dy}{dx}=\frac{\left(2x+1\right)^2}{y}$
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