Respuesta :

Answer:

33

Step-by-step explanation:

This is a substitution question,so to solve you will have to substitute... substitution question is when a specific number is given replace a certain number

Back to the question,3(7+x2)

And x is given to be 2

So let's continue by substituting the value of x into the equation

3(7+2^2)

3(7+4)

3(11)

33

The final answer is 33

Hope you understand how we get our final answer,just follow the step above