$\int\frac{x^2+2}{\left(x-3\right)^3}dx$
$1.5\cdot\frac{1}{2}$
$4k^2+64k=-180$
$\int\frac{z+1}{z^2\left(z+4\right)}dx$
$z3\:+\:729$
$\frac{\left(9-x^4\right)}{\left(3+x^2\right)}$
$\int\frac{2x}{\sqrt{x+2}}dx$
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