Question

3(m+3)=_m+_ write equivalent expressions in the blanks

Answer 1

First, lets use the distributive property to get rid of the parentheses. 

3*m = 3m
3*3 = 9

3m = 9

Answer 2

this is distributive propety
a(b+c)=ab+ac
3(m+3)=3m+9