Question

The product of a number (x-1) and the number (x+1) is always equal to

Answer 1

1

Explanation:

Just try some numbers

2-1*2+1=1

5-1*5+1=1

Then you see that because of order of operations you always have to do x*1 first and then x-x which always ends up being 0 and then you +1 and 0+1 is always 1 so there's your answer.