$-10\:p\left(9\:-\:9\:p\right)$

$9y+3x+18xy+6x$

$\int xe^{5x}\cdot\cos\left(x\right)dx$

$\frac{dy}{dx}\left(x^x\right)\left(\frac{\left(x^2+1\right)^3\sqrt{x}}{\left(x-2\right)^4}\right)$

$\int\left(\frac{1}{\left(x^2-16\right)^{\frac{3}{2}}}\right)dx$

$9m^2n+18mn^2$

$-\frac{54}{-9}$