$9p^2-30p+25$
$\sqrt{9-2}$
$cos\:2x\:-\:3\:sen\:x\:+\:1\:=\:0$
$12x\:+1>-22\:-2x$
$\int-1x^3\sqrt{9-x^2}dx$
$\int ex\cdot\left(2x^2+1\right)dx$
$\left(4a+b\right)\left(5a^2+2a-b\right)$
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