Answer:
33
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