$\lim_{x\to3}\left(\frac{x^3+5x^2-8x-48}{x^2-3x}\right)$

$p\left(3\right)=2\left(3\right)\left(3\left(3\right)-1\right)+3\left(2\left(3\right)-2\right)$

$\frac{dy}{dx}-y=2e^{-x}$

$r+z+x+z$

$\int_0^{\frac{\pi}{2}}\left(\frac{cosx}{\left(5+3sinx\right)^3}\right)dx$

$\int e^{5-4x}dx$

$5x^{11}\right)^{2}$