Question 50428
I think you missed them!  


What is in the parentheses first, from left to right:
4(6-2+5-7) 
4(4+5-7)
4(9-7)
Remember, the next step means to muliply:
4(2)
8


This is the distributive property:
2m(xy-3p)
2mxy - 6mp


R^2 at SCC