Mister Exam

Factor polynomial -x^2+1

An expression to simplify:

The solution

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