Answer: -8
Explanation:
This question is fairly simple. All you have to do is substitute and solve using PEMDAS.
x+x3-4x4
Substitute by replacing the x with 2 since it tells us that x=2.
You would ended up with
2+2(3)-4x4
Now use PEMDAS to solve!
2+6-4x4
2+6-16
8-16
-8
