Mister Exam

Factor polynomial x+x^3

An expression to simplify:

The solution

You have entered [src]
     3
x + x 
$$x^{3} + x$$
x + x^3
Factorization [src]
x*(x + I)*(x - I)
$$x \left(x + i\right) \left(x - i\right)$$
(x*(x + i))*(x - i)
Numerical answer [src]
x + x^3
x + x^3
Combinatorics [src]
  /     2\
x*\1 + x /
$$x \left(x^{2} + 1\right)$$
x*(1 + x^2)
Combining rational expressions [src]
  /     2\
x*\1 + x /
$$x \left(x^{2} + 1\right)$$
x*(1 + x^2)