$-8-\:\left(-76\right)$
$\left(+65\right)-\left(-15\right)$
$x^2+9x+2$
$\left(8a^2b\right)\left(5a^3-6ab+7b^2-3\right)$
$\frac{1}{\left(x+5\right)\left(x+1\right)}+\frac{1}{\left(x+1\right)^2}$
$\ln\left(2\right)+\ln\left(x-5\right)=\ln\left(120\right)$
$5x-1>3x+1$
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