Respuesta :

Answer:

4 ( 12 + b)

Explanations:

The given expression is " 4 times the sum of 12 and b"​

"The sum of 12 and b" can be written mathematically as:

12 + b

"4 times the sum of 12 and b" can then be written as:

4 x (12 + b)

Which is also 4 (12 + b)