Mister Exam

Factor polynomial -x^2-1

An expression to simplify:

The solution

You have entered [src]
   2    
- x  - 1
$$- x^{2} - 1$$
-x^2 - 1
Factorization [src]
(x + I)*(x - I)
$$\left(x - i\right) \left(x + i\right)$$
(x + i)*(x - i)
Numerical answer [src]
-1.0 - x^2
-1.0 - x^2