$-36+x<82$
$2^4\cdot3^{11}$
$a+b=\sqrt{5}\:y\:ab=3,\:\left(a-b\right)$
$\int\tan x\left(\cot x+\tan x\right)dx$
$2\tan^2x-4\sin^2x-1$
$\frac{\left(xe2-1\right)}{x\left(x+2\right)e}$
$\frac{16x^{2}-9}{2x+5\right)\left(4x+3\right)}$
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