Question 758539

{{{2w-3 + 3(w -4)-5(w -6)}}}....first do parentheses

{{{2w -3 + 3w-12 -5w+30}}}

{{{2w + 3w-5w-3-12+30}}}

{{{cross(5w)-cross(5w)-15+30}}}

{{{-15+30}}}

{{{15}}}