$$\int x^2\sqrt{5+x^3}dx$$

$$\log\left(10+2x\right)=2\log\left(x+1\right)$$

$$11^2+4^3+9^2$$

$$\frac{dy}{dx}\left(\sqrt{x}\right)+\frac{1}{\sqrt{y}}=1$$

$$5\left(x+3\right)-2\left(x-4\right)$$

$$81m^2-121n^2$$

$$-\left(x-4y\right)^2$$