$$\frac{dy}{dx}\left(\frac{x^3\left(x-7\right)^5}{\left(x^2+2\right)^6}\right)$$

$$\left(x^3+6x^2+8x+3\right)-\left(-2x^2-3x^3-6x-4\right)$$

$$3x^2-42x+72$$

$$\int\left(x^2\cdot sin\left(x^3\right)\right)dx$$

$$6n^6+18n^4-24n$$

$$2\sin\left(\frac{1}{5}x\right)=-\sqrt{3}$$

$$-3x\le6$$