$\left(-4+2i\right)\left(4-4i\right)$
$52\left(-46\right)$
$\frac{3s-2}{s^3\left(s^2+4\right)}$
$\:4x\:-\:4\:-\:8x$
$-14z-7z$
$\lim\:_{x\to\:-\infty\:}\left(\frac{4x^2-1}{2x^2-7x+2}\right)$
$8a-\frac{5b}{2}-\frac{3c}{5}$
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