$\left(-\sin\left(x\right)\right)\cdot\left(\tan\left(x\right)+\cot\left(x\right)\right)$
$-10x^2+7x+25\ge0$
$z\left(x\right)=x^2-4^2$
$7x\:+\:2\:-\:6x\:+\:x$
$\frac{dy}{dx}+\frac{3y}{x}=\frac{2}{x^2}\:,\:y\left(1\right)=2$
$\left(9x^9-10b^{12}\right)^2$
$216y^6+729x^3$
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