$$\ln\left(y\right)=\sin\left(x\right)+\ln\left(2\right)$$

$$f\left(x\right)=7^2x+5x-3$$

$$\log_{3}\left(x+2\right)-\log_{3}5=3$$

$$x-7<2x-5$$

$$\left(3m\right)^2+3m.5n+\left(5n\right)^2$$

$$\int\frac{y^3+5y}{\left(y^2+1\right)^2}dx$$