$$\frac{6y^3z}{2yz^2}$$

$$18a^3+6a^2-4a$$

$$\frac{9\sec\left(x\right)}{\csc\left(x\right)}$$

$$\int_0^{\infty}\left(\frac{1}{3}\right)dx$$

$$\frac{dy}{dx}\left(x^2+1\right)+xy=2x$$

$$4+64+81-27+10+121$$

$$m^3-5m+2m-10$$