Ex.

This would be

How?
Group them

Make sure there is a GCF.

Hope this was clear
Answer:
100-5.25x 100-5.25(15)= 22.25
Step-by-step explanation:
Answer:
i'm guessing you're asking which expression is the same as 7(x+4)
i don't know what the other numbers listed are suppose to mean, but when expanded, 7(x+4)=7x+28
anything added together, multiplied together, etc, that equals 7x+28 is your answer
This is a comment---
Are you acually in middle school because this is algebra 2 and im learning this now in High school