$-7m-8m$
$z^2+3\sqrt{73z}+73$
$\int12x^3e^{x^4}dx$
$-1+2-3+4-5+6-7+8-12$
$-4^2-8x$
$-5\cdot1-16$
$\left(3+2i\right)^2+3i^{15}\left(3-2i^2\right)$
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