$$\int\left(1+4x\right)dx$$

$$\int\left(\frac{4x^3-x}{x\left(x^2+5\right)}\right)dx$$

$$\frac{dy}{dx}=14x-2xy+2y-14$$

$$3x+5+x+1+3x+5+x+1$$

$$\left(2a+5c\right)\left(2a-5c\right)$$

$$x\sin\left(x\right)dx+xydy=0$$

$$\left(5z+7y\right)^3$$