2(-3)^2+5(-3^2-(-5))

2(-3)^2+5(-3^2-(-5))

$$\\2(-3)^2+5(-3^2-(-5))\\ =2*(-3)^2+5*(-3^2--5)\\ =2*(-3)^2+5*(-3^2+5)\\ =2*(-3)^2+5*(-\textcolor[rgb]{1,0,0}{1*}3^2+5)\\ =2*(-3)^2+5*(-\textcolor[rgb]{1,0,0}{1*}9+5)\\ =2*(-3)^2+5*(-9+5)\\ =2*(-3)^2+5*(-4)\\ =2*(-3*-3)+5*(-4)\\ =2*(9)+5*(-4)\\ =18+-20\\ =-2 \textcolor[rgb]{1,0,0}{ }$$

check

$${\mathtt{2}}{\mathtt{\,\times\,}}{\left(-{\mathtt{3}}\right)}^{{\mathtt{2}}}{\mathtt{\,\small\textbf+\,}}{\mathtt{5}}{\mathtt{\,\times\,}}\left({\mathtt{\,-\,}}{{\mathtt{3}}}^{{\mathtt{2}}}{\mathtt{\,\small\textbf+\,}}\left({\mathtt{5}}\right)\right) = -{\mathtt{2}}$$