$x-2>10$
$3x^2+5x+20x^2$
$\sqrt[3]{\left(640\:+\:360\right)}$
$\frac{dy}{dx}\cdot2\cdot x+y=1$
$7\sec x-7\cos x$
$sec\:\left(x\right)=0$
$\left(3y^5-2x^7\right)^2$
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