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

$4x+2>x+4$

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

$\int\frac{1}{\sqrt[7]{x}}dx$

$7\left(2x-1\right)$

$\left(\frac{1}{2}a^2-\frac{3}{4}b^4-c^8\right)^2$

$\frac{3x^3-3x^2+4x-5}{x-2}$