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

$\left(3-x\right)^4$

$x+y+2-2x-24-z$

$\lim_{x\to0}\left(\ln\left(\frac{\sin\left(x\right)}{\left(\pi-2x\right)^2}\right)\right)$

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

$3x^3y^2\left(4x^3-5xy\right)-4y^2\left(x^6-3x^4y\right)$

$3\left(x+12\right)=5\left(x-6\right)$