Question

Why is 3 m + 4 (m + 12) and 7 m + 12 equal

Answer 1

Answer:

14m+60

Step-by-step explanation:

=3m+4(m+12)+(7m+12)

removing bracket, we get

=3m+4m+12×4+7m+12

=3m+4m+7m+48+12

14m+60