$$\left(-x^{4}-3x^{3}+2x^{2}-14x+1\right):\left(x^{2}+4x-1\right)$$

$$\frac{1+n^3}{1-n}$$

$$\frac{d}{dx}\left(\frac{x-1}{x^2+5x+10}\right)$$

$$\sqrt[3]{16x^{10}y^3}$$

$$\left(5\right)^2\cdot\left(-3\right)^2$$

$$x^8\left(x+3\right)^2\left(x^2+2x+4\right)=0$$

$$\frac{sin^2x}{\cos x+1}=cosx-1$$