$$\frac{216-125y^3}{6+5y}$$

$$4x^2+22x+10$$

$$\frac{d}{dx}\frac{3}{x^7}$$

$$\left(4x+1\right)\cdot\left(3x-1\right)$$

$$\int\frac{3x-5}{x^2\cdot\left(x+5\right)}\cdot dx$$

$$\frac{d}{dx}\left(x^2-5xy+3y^2=17\right)$$