$$3\:ln\:4\:=\:2\:ln\:x$$

$$ln\:\left(6x+4\right)^5$$

$$\left(3y+7\right)\left(-4y\right)$$

$$\frac{\left(2x^3-2x^2-3x+3\right)}{x-1}$$

$$\:\:x+2y+x+2x\:+\:2y\:+\:x\:+\:2x+2y+x+2$$

$$\frac{20x^4-5x^2-10x^2+15x}{-5x}$$

$$\int\frac{x^4+x^3+x}{x^2+x-2}dx$$