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