$2x^2+2x-8>0$
$x^3y+5x$
$\left(\sqrt{x}+6\right)\left(8x^2-x\right)$
$\frac{x^{10}y^{12}}{y^7}$
$\frac{1-\sin\left(x\right)}{1+\sin\left(x\right)}+\frac{1+\sin\left(x\right)}{1-\sin\left(x\right)}$
$\left(-8x^{3}+3x-2x^{2}\right)-\left(8x^{3}+4x^{2}-7\right)$
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