2(3-6c)-9(2+3c)+3(13c-4)

Question

2(3-6c)-9(2+3c)+3(13c-4)

Answer 1

=6-12c-18-27c+39c-12=-24

Comments

молодчик

Answer 2

2(3-6c)-9(2+3c)+3(13c-4)
6-12с-18-27с-39с-12
-24+0
-24