$z^3+9z^2+27z+27$
$-3x+2>0$
$\int-\frac{\left(z^2+1\right)}{z\left(z+1\right)\left(z-1\right)}dz$
$\int x^3e^4dx$
$95^2+23z^6+144$
$6x-4=4x+4+x^2$
$3\left(x-6\right)^{2}-\left(x+4\right)^{2}+4\left(x+8\right)\cdot\left(x-8\right)$
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