$4\cdot4^2\cdot4^2$
$x2-x+3<0$
$-\frac{12}{3}$
$\int\frac{4}{\left(x^{2}+1\right)\left(x^{2}+2x+3\right)}dx$
$\int\frac{z^2-3z-8}{z^2-2z+1}dz$
$-4\cdot110$
$x^7\left(-7x\right)$
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