$$\left(82b+10y\right)^2$$

$$\frac{4-x^2}{2-x}$$

$$\int\left(-x-9\right)^7dx$$

$$\left(\frac{1}{x^4-3x^3}+2x+30\right)$$

$$\sqrt[3]{3^4.x^3}.\sqrt[3]{3^2.x^4}$$

$$36x^2+110x+50$$

$$\left(\left(-f\right)^a\right)^z$$