Question

Упростите:
c(a+1)-c
m(1+m)-(m-1)

Answer 1

c(a+1)-c=ac+c-c=ac
m(1+m)-(m-1)= m+m^2 - m +1=m^2+1

Answer 2

c(a+1)-c =ас+с-с=ас

m(1+m)-(m-1)=m+m-m-1=m-1