2 ms·
It solved `(x^2-1)/(x-1)` to `x+1` but it is not equal. It should be specified that `x` must not be equal 1 in this case.
by p0w3n3d 2y ago
It solved `(x^2-1)/(x-1)` to `x+1` but it is not equal. It should be specified that `x` must not be equal 1 in this case.