$\int xu^2\left(\sqrt{u^3+2}\right)du$

$\left(-125\right)\cdot4$

$-10+1+9x+6+8xz+x$

$\int_1^{\infty}\left(\frac{\left(atan\left(x\right)\right)^p}{1+x^2}\right)dx$

$3\left(2n+4\right)$

$\lim_{x\to1}\left(\frac{\ln\left(x-1\right)}{\ln\left(sin\left(x-1\right)\right)}\right)$

$-5+5\left(x+4\right)$