$8z-4x+14$

$\left(m^2\right)^2$

$\left(\cos\left(x\right)\cos\left(y\right)-\tan\left(x\right)\right)dx-\sin\left(x\right)\sin\left(y\right)dy=0$

$\lim_{x\to\infty}\left(27-\frac{27\left(n+1\right)\left(2n+1\right)}{6n^2}\right)$

$\left|-3+4\right|+\left(-4-\left(-2\right)+18-5\right)$

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

$xy+6y^2$