Mister Exam

Factor polynomial x^3+5*x

An expression to simplify:

The solution

You have entered [src]
 3      
x  + 5*x
$$x^{3} + 5 x$$
x^3 + 5*x
Factorization [src]
  /        ___\ /        ___\
x*\x + I*\/ 5 /*\x - I*\/ 5 /
$$x \left(x + \sqrt{5} i\right) \left(x - \sqrt{5} i\right)$$
(x*(x + i*sqrt(5)))*(x - i*sqrt(5))
General simplification [src]
  /     2\
x*\5 + x /
$$x \left(x^{2} + 5\right)$$
x*(5 + x^2)
Combinatorics [src]
  /     2\
x*\5 + x /
$$x \left(x^{2} + 5\right)$$
x*(5 + x^2)
Combining rational expressions [src]
  /     2\
x*\5 + x /
$$x \left(x^{2} + 5\right)$$
x*(5 + x^2)
Numerical answer [src]
x^3 + 5.0*x
x^3 + 5.0*x