$\frac{sin^2x+sinxcos^2x}{cosx}$
$144^2x^2+24wxyz+w^2y^2z^2$
$y^2-x^2=cx$
$-\frac{x}{8}\le-2$
$\frac{\sin\left(3x\right)}{5x^3-4x}$
$5y^{\text{4}}-10y^2$
$\left(3a^2b^2+2b\right)\left(9a^4b^4-6a^2b^3+4b^2\right)$
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