$\left(x^2-2\right)\left(x^2-10\right)$

$\sqrt[4]{5xy^2z}$

$\int_1^{\infty}\frac{ln\sqrt{x}}{\sqrt{x}}dx$

$\frac{\sin\left(x+y\right)-\sin\left(x+y\right)}{\cos\left(x+y\right)+\cos\left(x-y\right)}$

$\lim_{x\to0}\left(\frac{\left(e^t-1\right)}{t^3}\right)$

$\frac{2}{5}x-3\ge2x+8$

$\frac{\sin\left(5x\right)+\sin^2x}{\sin\left(5x\right)+\sin\left(x\right)}$