$\lim_{x\to1}\left(\frac{4x-4}{\ln\left(x\right)^8}\right)$

$\left(4y-3x\right)dx+5xdy=0$

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

$\left(ab+4xy\right)^2$

$\sqrt{\sqrt[4]{3.1416}}$

$\left(a+b+c-d\right)-\left(-a-b+c-d\right)$