$-\left(8.6v-2w\right)-5$

$\frac{7m^3n^4}{nm^2}$

$\left(4f^2-\frac{1}{3}\right)\left(4f^2+\frac{1}{3}\right)$

$\lim_{x\to\infty}\left(\frac{12e^{\ln\:\left(x\right)^{\frac{1}{2}}}}{\sqrt{x}}\right)$

$-8\:+\:-51\:+\:-16\:+\:-10\:+\:14\:=\:$

$-v-3u+17w+7v+2u+2c$

$\left(\sin\:\left(\pi\:\right)-2\right)^2$