$\frac{\ln\left(x\right)}{\sqrt{x}}=0$

$\left(4a+9\right)\left(4a-3\right)$

$e=\left(\sqrt{32}-\sqrt{8}\right)^{2}$

$\left(-1\right)^{35}\cdot\left(-1\right)^{10}$

$\log_{10}\left(6x^2+5x-6\right)+log\left(2x-3\right)-log\left(4x^2-9\right)$

$113^2$

$100m^2n^2-169y^2$