$x^{2}-x-20$
$sin^2x+9cos^2x$
$-1+\frac{3}{-1}+\frac{2}{-1}$
$8x+11<36$
$a^6+26a^3b^2+169b^4$
$\int2\left(2x+1\right)\left(x-2\right)^2dx$
$\left(m+n-1\right)\left(m^2\:+\:1\right)-m^2\:-1\:$
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