$$\int\left(x+1\right)\sqrt{2x+x^2}2xdx$$

$$\int\left(\frac{e^x}{7e^x+5}\right)dx$$

$$\frac{d}{dx}y^2$$

$$\left(5-3\right)-\left(7-2\right)$$

$$60x^3+280x^2$$

$$\left(9x-8y\right)\left(9x+4y\right)$$

$$40\left(x+2\right)-3\left(x-5\right)$$