Algebra Progress Quiz #1 Q 17

If x=0, then the solution would be 0/0 (In my opinion this is valid) Right!
One value is not valid that is x=-1
So, the answer should be 1

Zero in the denominator is never a valid answer, so the correct answer here is indeed 2.

So, in this case, doesn’t mater with numerator that is 0 or other number, but denominator must not be 0. even it will be 0/0.

Correct