$9x\:\:+\:2\:\:<\:\:3x\:-\:4$
$3x-4<7x-12$
$\left(\frac{a^2}{a^2+c^2}\right)^2$
$2p^2q\:\:3pq^2$
$\left(8y^2-3y-3\right)-4y^2-6y-1+\left(-8y^2+4y-5\right)$
$a^2+a^2+a^3+a$
$\frac{d}{dx}6x^2+5x$
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