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

$$x^4-7x^2-8$$

$$\int\left(\frac{3x}{\left(4x^2-1\right)^5}\right)dx$$

$$\lim_{x\to0}\:\:\sqrt{1-tan\left(x\right)}$$

$$y2\:+\:3x\:-\:2\:=\:0$$

$$\left(x+1\right)\left(2x-3\right)$$

$$\frac{1}{x^3+5x}$$