$8\left(1+9y\right)$

$\frac{\left(-2\sqrt[4]{\frac{\pi}{2}}\right)}{\frac{\pi}{2}}$

$\frac{d}{dx}\left(\frac{1+\sin\left(x\right)}{x\cdot\cos\left(x\right)}\right)$

$9x^2+6x+5$

$8e^{-.01\left(15\right)}$

$x^{\frac{2}{3}}\left(\sqrt{x}-\frac{1}{\sqrt{x}}\right)$

$tan\left(x-\pi\right)=\frac{tan\left(x\right)-tan\left(\pi\right)}{1+tan\left(x\right)tan\left(\pi\right)}$