Answer :
Expanding the expression means multiplying each term in parenthesis by the number outside the parenthesis. This gives
[tex]7(11C+3)=77C+21[/tex]which is our answer.
Expanding the expression means multiplying each term in parenthesis by the number outside the parenthesis. This gives
[tex]7(11C+3)=77C+21[/tex]which is our answer.