$ln\sqrt[3]{x+3}$

$9-3a=15$

$\lim_{x\to\infty}\left(\left(5x\right)e^{-x}\right)$

$3a-2b-c,\:a=-4,\:b=-5,\:c=\:\frac{1}{2}$

$\int x\left(x-1\right)^{10}dx$

$\left(x-21\right)=\left(2x-15\right)$

$11\left(x-3\right)+\frac{\left(x-3\right)^2}{2}+30\ln\left(x-3\right)$