Mister Exam

Factor polynomial 9+x^2

An expression to simplify:

The solution

You have entered [src]
     2
9 + x 
$$x^{2} + 9$$
9 + x^2
Factorization [src]
(x + 3*I)*(x - 3*I)
$$\left(x - 3 i\right) \left(x + 3 i\right)$$
(x + 3*i)*(x - 3*i)
Numerical answer [src]
9.0 + x^2
9.0 + x^2