$\sqrt{2}sec\left(x\right)-2=0$
$\int\frac{1}{\sqrt{9+\left(u\right)^2}}dx$
$16\cdot\frac{48}{16}$
$\left(16\:x^2-25\:y^2\right)$
$\sec^2x+3\tan x+1$
$8x+2=6x+4$
$343v^3+27w^6$
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