$-\frac{8}{5}x-14\le-2$

$-\left|38\right|$

$\left(\:4\:x^3\:-\:7\:x^2\:+\:6\:x\:-\:1\:\right)\:-\:\left(\:x^3+\:3\:x^2-\:2x\:-\:6\:\right)\:$

$3^4\cdot5^2$

$\lim_{x\to\infty}\left(\frac{\ln\left(\sin\left(6x\right)\right)}{\ln\left(\sin\left(x\right)\right)}\right)$

$4\sin\left(x\right)-\sqrt{2}=\sqrt{2}$

$-\left(2\right)\cdot\left(-8\right)\cdot3$