$x^2-2x-152$
$6^3\cdot2^3$
$7x^2=-14$
$9\:+\:4b\:=\:17$
$\left(3a+b^2\right)^2$
$\int19x\cdot sin\left(x\right)\cos\left(x\right)dx$
$\lim_{x\to1}\left(\frac{2x^2+x-3}{x+1}\right)$
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