$$\sqrt{\frac{27x^3}{16}}$$

$$\lim_{x\to0}\left(\frac{\sin\left(ax\right)}{e^{bx}-1}\right)$$

$$5\left(g^2+4g+2\right)$$

$$x^4-7+\frac{16}{x^4}$$

$$\frac{dy}{dx}+6xy=12x$$

$$q^2\:+\:10q\:+\:25$$