$$\left(3c-5f^2\right)^2$$

$$( 2 x ^ { 3 } + 5 y ) ^ { 2 }$$

$$0-2\cdot0\le4$$

$$\frac{d}{dx}\left(\csc\left(x\right)-\ln\left(x\right)\right)$$

$$\frac{dy}{dx}=\left(1+y\right)\left(\frac{x}{\sqrt{x^2+4}}\right)$$

$$\left(\frac{9}{5}-10w^7\right)^2$$