$$\frac{dy}{dx}\left(y^2+6x^5secy\left(y\right)=cos\left(2x+y\right)+\sqrt{x}\right)$$

$$a^2y^3-a^2y^3+2ax^3-2ay^3$$

$$\left(\left(a+1\right)-b\right)^3$$

$$1\cdot10^4$$

$$\left(-3\right)^7\left(-3\right)$$

$$-8y-4y$$

$$2x^2+5x+16$$