$$6x^2-x-5=0$$

$$\frac{dy}{dx}=\left(x+2\right)^2$$

$$\frac{3}{x^2}+2$$

$$\left(10^{x-2}\right)^{-1}\cdot10^x$$

$$\lim_{x\to\infty}\left(\frac{ln\left(x^3\right)}{x^3+2x+5}\right)$$

$$3xy+3ym-3ay$$