$$\left(4x^2y^5\right)^4$$

$$\left(\frac{1}{4}a+\frac{1}{2}b+2c\right)^2$$

$$\log_x\left(32\right)=5$$

$$6mn+5mn$$

$$\left(1\:-\:\left(-1\right)\:+12\::\:\left(-4\right)\right)$$

$$\left(\frac{3m^2}{2m^7n^3}\right)^4$$

$$m^n\sqrt[3]{x^{n+4}}$$