Answer:
30m+15
Step-by-step explanation:
First, collect the like terms: 3(10m+5)
Next, multiply the numbers inside the brackets with 3:
3*10m=30m
3*5=15
So the answer is 30m+15
Answer:30m+5
3(m+5+9m)
3m+15+27m
30m+5
