Раскройте скобки:
\(\displaystyle -8\cdot (q+r\,)=\)[?||-][ ] [?|+|-][ ]
\(\displaystyle -(s+w\,)=\)[?||-][ ] [?|+|-][ ]
\(\displaystyle -z\cdot (q+x\,)=\)[?||-][ ] [?|+|-][ ]