$\left(a^2b^3c^2\right)^2$

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

$4\left(-4\right)\left(-8\right)$

$\tan\left(60\right)=\sin\left(60\right)\sec\left(60\right)$

$\frac{-5x^3-10x^2-5x-10}{-x+1}$

$\left(3x^3y-z^3\right)^2$

$\left(x+2y-3\right)dx+\left(2x-y-1\right)dy=0$