$$2^{12}\cdot2^{-6}$$

$$a+8^2$$

$$\int\sqrt{\tan\left(x\right)}\left(\sec^2x\right)xdx$$

$$\left(5+7p^3\right)^2$$

$$2z+8+3-7z$$

$$\int_1^3\frac{1}{\sqrt{x-2}}dx$$

$$\left(-2x^3+5x^2+2\right)-\left(8x^3+4x^2-5\right)$$