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Factorizar el polinomio x^4-81

Ha introducido [src]

 4     
x  - 81

$$x^{4} - 81$$

x^4 - 81

Factorización [src]

(x + 3)*(x - 3)*(x + 3*I)*(x - 3*I)

$$\left(x - 3\right) \left(x + 3\right) \left(x + 3 i\right) \left(x - 3 i\right)$$

(((x + 3)*(x - 3))*(x + 3*i))*(x - 3*i)

Combinatoria [src]

                 /     2\
(-3 + x)*(3 + x)*\9 + x /

$$\left(x - 3\right) \left(x + 3\right) \left(x^{2} + 9\right)$$

(-3 + x)*(3 + x)*(9 + x^2)

Respuesta numérica [src]

-81.0 + x^4

-81.0 + x^4