$$\left(2x\right)\left(2y^3\right)\left(3z^4\right)\left(x^3\right)\left(5y^2z\right)$$

$$\int x^7e^{4x}dx$$

$$16ax+4x^2+16a^2$$

$$x\cdot\frac{dy}{dx}+y=x^2$$

$$\frac{7^{2m}}{49^m},49^{2m-m}$$

$$3x^2+6y=0$$