$$\log_bx+2\log_b\left(x-2\right)$$

$$g=m\cdot y+\frac{a\cdot f^2}{2}$$

$$\left(ax+bx^{+1}\right)^2$$

$$\sqrt{4}+3>4+\sqrt{3}$$

$$16f^4-24f^4+9$$

$$\frac{x^3-1}{x^2-4}$$

$$\lim_{x\to1}\left(\frac{1-x^2}{\sin\left(3x\right)}\right)$$