Question

de m-n+p restar la suma de -m+n-p con 2m-2n+2p

Answer 1

2m+2n+2p

y factorizando: 2(m+n+p)

¡Suerte!

Answer 2

m-n-p-(-m+n-p+2m-2n+2p)

= m-n-p-(m-n+p)

=m-n-p-m+n-p

= -2p