$5\int_0^{\pi}5\left(5-4\cos\left(x\right)^{\frac{1}{4}}\right)\sin\left(x\right)dx$

$\left(6u-6\right)^3$

$\left(z^2+\sqrt{z}\right)^2$

$\lim_{x\to0}\left(\frac{\sqrt{x-4}}{1}\right)$

$cos\left(t\right)\left(\frac{dy}{dt}\right)+sen\left(t\right)y=1$

$\int\frac{x^2+2x-6}{x^3+x}dx$

$-5x^4y+y^2\frac{dy}{dx}=y$