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 + 1)*(x - 1)
$$\left(x - 1\right) \left(x + 1\right)$$
(x + 1)*(x - 1)
Combinatorics [src]
(1 + x)*(-1 + x)
$$\left(x - 1\right) \left(x + 1\right)$$
(1 + x)*(-1 + x)
Numerical answer [src]
-1.0 + x^2
-1.0 + x^2