$\left(5+7f\right)^2$

$936+32-81-12$

$\int\:\frac{\sqrt{x^2-16}}{x}\:dx$

$x+2>4x-3$

$\left(5-\frac{2}{7}m^2n^3\right)\left(5+\frac{2}{7}m^2n^3\right)$

$\frac{\cos\left(x\right)+2\tan\left(x\right)-\sec\left(x\right)}{2-\sin\left(x\right)}=\tan\left(x\right)$

$\left(-6\right)\cdot5+\left(-6\right)\cdot\left(-1\right)$