$\left(m\:-\:7\right)^2\:x\:n$

$x^2>2-x^2$

$\frac{cot^2}{\left(cscx+1\right)}=\frac{cscx-1}{cscx+1}$

$\frac{3\left(x-1\right)+2\left(x-2\right)}{6}-\frac{1}{4}x>-\frac{3}{4}$

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

$x-15-\frac{x-6}{15}\ge2x-3+\frac{x-4}{9}$

$\lim_{x\to0}\left(x\ln\left(\tan\left(x\right)\right)\right)$