$$ln\left(w^2\left(sec\left(w\right)\right)\right)$$

$$\left(x-400\right)\left(x-500\right)$$

$$\left(\frac{1}{3}xy^2z^3-\frac{2}{3}y^4\right)^3$$

$$222\:+\:\:\left(\:-\:111\:\right)\:\:-\:\:\left(\:111\:\right)\:+\:333$$

$$\int3x^3e^{5x}dx$$

$$4y+7y-19$$

$$\left(4n\:+\:3\right)^2$$