$x^2+x-60$
$2k^2+k-7=0$
$\frac{1}{1}^{000000000000000000000000000000000000000000000000000000000}$
$\int\frac{2x}{x^2-49}dx$
$2s+t+1+3s+2t$
$\left(x-2y\right)\left(x-10y\right)$
$\int\frac{ln\left(x\right)}{x^9}dx$
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