$$\left(x^2+x^4\right)\cdot\left(y\right)$$

$$\frac{x}{\left(x^2+1\right)^2}=x^5-x$$

$$\frac{1}{8}+\frac{7}{8}$$

$$\int_{sin\left(x\right)}^{cos\left(x\right)}\left(6+v^4\right)^8dv$$

$$\frac{dy}{dx}=\frac{\left(4x-2\right)\left(y^2+2y-3\right)}{x^3-x^2-2x}$$

$$8x=4x+12$$

$$\int x^{n-1}\:\sqrt{a+bx^n}\:dx$$