$\left(x+4\right)+\left(x+4\right)+4\left(2x-10\right)$
$\left(3d^4-7e^3\right)^2$
$\int\left(3-6x\right)cos\left(x-x^2\right)dx$
$4\left(9x-4\right)$
$\cot^2x+3cscx=-3$
$p2\:-\:6p\:+\:9\:$
$\frac{2}{5}n+6=10$
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