$cos\left(x-\pi\right)=\frac{\sqrt{2}}{2}$

$\left(\frac{20}{10}\right)^3-2\left(\frac{20}{10}\right)^2+2$

$f\left(x\right)=\left(12x^2-2\right)^2\left(4x^3\right)^5$

$\frac{d}{dx}e^x+e^y=e$

$\sqrt{b^5}$

$\left(8a^2+10\right)\left(8a^2-10\right)$

$\int x\left(e^{3x}\sin\left(3x\right)\right)dx$