$\frac{2x^4}{x^3}$

$10x-8=8x$

$9\left(\frac{sin\left(x\right)dy}{dx}+cos\left(x\right)y\right)=cos\left(x\right)sin^2\left(x\right)$

$\int\frac{\left(5x+2\right)}{x^2-4}dx$

$\frac{dy}{dx}=\frac{\left(2y+5\right)}{8x+9}$

$\int_0^{\infty}\left(\frac{5sin\left(x\right)}{x}\right)dx$

$\tan\left(4x\right)+\frac{1}{8\cos\left(4x\right)^2}$