$$\int\frac{3}{2}e^{4x}\cdot x^3dx$$

$$\left(\frac{5}{2}x+\frac{1}{4}y\right)^3$$

$$57+34$$

$$3-2y-1-5x^2-7y+7+4x^2$$

$$\left(\frac{a}{b}\right)^3+\left(\frac{b}{a}\right)^3$$

$$\csc^4x-2\csc^2x+1$$