(-6)^3/(-3)^2+(-2)^3(5)-(-7)^2(2)/(3)^2

$${\frac{{\left(-{\mathtt{6}}\right)}^{{\mathtt{3}}}}{{\left(-{\mathtt{3}}\right)}^{{\mathtt{2}}}}}{\mathtt{\,\small\textbf+\,}}{\left(-{\mathtt{2}}\right)}^{{\mathtt{3}}}{\mathtt{\,\times\,}}\left({\mathtt{5}}\right){\mathtt{\,-\,}}{\frac{{\left(-{\mathtt{7}}\right)}^{{\mathtt{2}}}{\mathtt{\,\times\,}}\left({\mathtt{2}}\right)}{{\left({\mathtt{3}}\right)}^{{\mathtt{2}}}}} = {\mathtt{\,-\,}}{\frac{{\mathtt{674}}}{{\mathtt{9}}}} = -{\mathtt{74.888\: \!888\: \!888\: \!888\: \!888\: \!9}}$$

$$\\(-6)^3/(-3)^2+(-2)^3(5)-(-7)^2(2)/(3)^2\\\\
=-216/9+-8*(5)-49*(2)/9\\\\
=-216/9-40-98/9\\\\
=-24-40-10\frac{8}{9}\\\\
=-64-10\frac{8}{9}\\\\
=-74\frac{8}{9}$$

-74.8888888888888889