$$\left(2x+n\right)^4$$

$$x^3+a^3$$

$$\frac{x-1}{2}+1=\frac{1}{5}y$$

$$3\sqrt{75}-2\sqrt{27}+5\sqrt{12}$$

$$\int_1^{\infty}\left(\frac{x}{5+x^2}\right)dx$$

$$\frac{dy}{dx}=6x\:y\:y\left(2\right)$$

$$\int\left(\sqrt{x}-3\right)\left(\sqrt{x}+1\right)dx$$