It is 1.
No, it is not. To be correct, the expression requires parenthesis, which are missing.
The answer is 4 squared minus 2 squared as 4 squared is 16 minus 2 squared, which is 4, gives you 12 as an answer.
x + 1
None of the graphs that I can see!
4x + 20
No, it is not. To be correct, the expression requires parenthesis, which are missing.
4 squared minus 2 squared equals 12
-3
The answer is 4 squared minus 2 squared as 4 squared is 16 minus 2 squared, which is 4, gives you 12 as an answer.
x + 1
None of the graphs that I can see!
x - 3
7x + 8
4x + 20
x - 5
x-8
By factoring I get x-3 divided by x+3