$4\left(8m+5\right)^2-12\left(8m+5\right)\left(m-3\right)+9\left(m-3\right)^2$
$28x^3+19x^2+3x$
$12x^3-27x$
$36+12m^2+m^2+m^2$
$\frac{d^3}{dx^3}\left(cot^2x\right)$
$\int\:\sqrt{x}\left(x^2+1\right)dx$
$4z^36z^2-6z+9\:$
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