$\frac{x}{2}-\frac{1}{4}>2x+\frac{1}{3}$

$\sec\left(x\right)-2\sin\left(x\right)=\frac{\left(\sin\left(x\right)-\cos\left(x\right)\right)^2}{\cos\left(x\right)}$

$\int\left(\frac{x^3}{\sqrt{25-x^2}}\right)dx$

$\frac{dy}{dx}=y^2-\frac{y}{x}+1-\frac{1}{4x^2}$

$\tan^2x-3\tan x+2$

$4x^32x+1$

$7x^2y^3\left(7x^2-2xy+y^2\right)$