$\left(4x^2+3\right)^5$

$\int\infty\sqrt{x+3}dx$

$\left(2a+b\right)^2-\left(2a-b\right)^2+8ab$

$\frac{dy}{dx}\left(y=-9x^{\frac{2}{3}}+12-5x^{-8}+4x\right)$

$\left(cosy+ycosx\right)dx+\left(senx-xseny\right)dy=0$

$25x^2-2x-16$

$\int_{\frac{\pi}{6}}^{\frac{5\pi}{6}}\left(4\sin\left(x\right)\right)dx$