$7x\left(x^4+2x-6\right)$

$\int\left(\sin\left(x\right)\sec\left(x\right)\right)dx$

$x^{2}-6x+9=7$

$\lim_{x\to e}\left(\frac{5cosx+5}{\left(x+\pi\:\right)^2}\right)$

$\frac{dy}{dx}=\frac{72}{y^{\frac{1}{5}}+64x^2y^{\frac{1}{5}}}$

$\frac{d}{dx}cos\frac{3x}{2}$