$\left(7d^5+9z^3\right)^2$
$\ln\left(y\right)=\ln\left(\sin\left(x\right)\right)$
$\frac{2x^3-x^2-31x+35}{2x-7}$
$-1200-\left[-2020\right]$
$\frac{cot\theta\:\:cos\theta\:}{1-sin\theta\:}=csc\theta\:+1$
$-5-5+4+-4+4$
$28+14+2$
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