$$\frac{dy}{dx}+\frac{y}{2}=\frac{3\cdot\:\:e^{\frac{-x}{4}}}{2}$$

$$17+x<-6$$

$$f\left(x\right)=\frac{3x^2}{5x}$$

$$\frac{4^2}{4}-yz+z^2$$

$$1\:750\:+15\:+\:23\:+\:560$$

$$y^2+x^2y=0$$

$$\left(6x^2-5x-2\right)^2$$