$-3x^2+14x+80$
$\frac{1+sin2x}{cos2x}$
$21+m^2-100m$
$\cos x\tan x+\sin x\sec^2\left(x\right)$
$\left(5+3\right)\left(5^2+3^2\right)$
$_{3\left(10b+10\right)+5\left(b+2\right)}$
$4x+6>1$
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