Mister Exam

Factor polynomial -2-x^2

An expression to simplify:

The solution

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