$$4abc^3-3ab^3c+7a^3bc$$

$$\int\left(3x^2-2\right)^5\left(9x^2\right)dx$$

$$\lim_{x\to\infty}\left(e^{-gx+ax}\right)$$

$$-10+\left(30-45-15+35\right)+60-\left(-30\right)$$

$$\left(u+9\right)\left(u+5\right)$$

$$\frac{dy}{dx}=\frac{\arcsin\left(x\right)}{y^2\sqrt{1-x^2}}$$

$$\lim_{x\to3}\left(\frac{sin\left(\pi x\right)}{x-3}\right)$$