Question

Simplify ( - bc + 3b - 4c) + (bc + 3b + 4c).

Answer 1

hope this helps.enjoy

Answer 2

9514 1404 393

Answer:

6b

Explanation:

( - bc + 3b - 4c) + (bc + 3b + 4c) = bc(-1 +1) +b(3 +3) +c(-4 +4)

= 0bc +6b +0c

= 6b