$24x^3+16x^2-4x^40$

$\lim_{x\to-0}\frac{\ln\left(2x+3\right)}{x}$

$\frac{\left(n\left(n+2\right)^2\right)}{5^n}$

$\int\left(y+5\right)\left(y-3\right)dy$

$\int5x^{4+2x}\left(2x^3+1\right)dx$

$\lim_{x\to\frac{\pi}{4}}\left(\frac{\sin^2\left(x\right)-2\tan\left(x\right)}{1+\cos\left(4x\right)}\right)$

$300\int\frac{\left(100+x\right)}{\left(100-x\right)^3}dx$