Respuesta :
7 (b + 3) + 2b
First, expand to get rid of parentheses.
[tex]7b + 21 + 2b[/tex]
Second, gather the like terms.
[tex](7b + 2b) + 21[/tex]
Third, in the parentheses, add 7b + 2b to get 9b.
[tex]9b + 21[/tex]
Answer: 9b + 21
First, expand to get rid of parentheses.
[tex]7b + 21 + 2b[/tex]
Second, gather the like terms.
[tex](7b + 2b) + 21[/tex]
Third, in the parentheses, add 7b + 2b to get 9b.
[tex]9b + 21[/tex]
Answer: 9b + 21