Respuesta :

TSO
[tex]-8c2+-c2+5c-7+-10c2+2 = -8c^2 -c^2 +5c -7 -10c^2 +2\\\\= -8c^2-10c^2-c^2+5c-7+2 =\boxed {-19c^2+5c-5}[/tex]
RELAXING NOICE
Relax