$\lim_{x\to0}\left(\frac{10}{x\left(x+1\right)}\right)$
$x^2+2x=5$
$2^{\left(2^x\right)}+4^{\left(2^x\right)}=42$
$-77-96$
$\:\left(7y^4\:-\:5y\right)\left(\:7y^4\:+\:5y\right)$
$3^2+12+\left(6-3\right)\cdot8$
$\int m d x$
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