Factor polynomial x^4-9

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 4    
x  - 9

$$x^{4} - 9$$

x^4 - 9

Factorization [src]

/      ___\ /      ___\ /        ___\ /        ___\
\x + \/ 3 /*\x - \/ 3 /*\x + I*\/ 3 /*\x - I*\/ 3 /

$$\left(x - \sqrt{3}\right) \left(x + \sqrt{3}\right) \left(x + \sqrt{3} i\right) \left(x - \sqrt{3} i\right)$$

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

Combinatorics [src]

/      2\ /     2\
\-3 + x /*\3 + x /

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

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

Numerical answer [src]

-9.0 + x^4

-9.0 + x^4