$2x^2+40x+150$
$\left(a-9c\right)\left(2a-3c\right)$
$\left(\frac{3}{4}m^2y^3+\frac{7}{3}x^2mn\right)^2$
$25x^2+16<40x$
$\lim_{x\to\frac{\pi}{4}}\left(2-\tan\left(x\right)\sec\left(x\right)\right)$
$x^2\:-\:6x\:=\:20$
$\left(5-2p\right)\left(5+2p\right)$
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