$\left(3xyv-ab\right)\left(3xyv+4ab\right)$

$\int\frac{1}{\left(x^2-100\right)^{\frac{3}{2}}}dx$

$\frac{1+\sin^2\left(28\right)-\cos^2\left(28\right)}{1+\sin^2\left(28\right)+\cos^2\left(28\right)}=\tan\left(28\right)$

$144^2-49$

$\left(-3x^2y^4z^5\right)\cdot\left(-2x^4yz^2\right)$

$\lim_{x\to0}\left(\frac{y^2}{1-coshy}\right)$

$\left(5m^2-2n\right)^3$