$$v\cdot v^{18}\cdot v$$

$$\left(1-i\right)+\left(-1+3i\right)$$

$$\frac{2}{3}y^3-6y$$

$$\left(5x+\frac{1}{11}\right)\left(5x-\frac{1}{11}\right)$$

$$2\sec\left(x\right)\csc\left(x\right)$$

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

$$\left(\frac{x^2y^3z^{-4}}{x^0y^{-2}z^3}\right)^{-3}$$