Mister Exam

Factor polynomial z^2-2

An expression to simplify:

The solution

You have entered [src]
 2    
z  - 2
$$z^{2} - 2$$
z^2 - 2
Factorization [src]
/      ___\ /      ___\
\x + \/ 2 /*\x - \/ 2 /
$$\left(x - \sqrt{2}\right) \left(x + \sqrt{2}\right)$$
(x + sqrt(2))*(x - sqrt(2))
Numerical answer [src]
-2.0 + z^2
-2.0 + z^2