Factor polynomial y^4-16

You have entered [src]

 4     
y  - 16

$$y^{4} - 16$$

y^4 - 16

Factorization [src]

(x + 2)*(x - 2)*(x + 2*I)*(x - 2*I)

$$\left(x - 2\right) \left(x + 2\right) \left(x + 2 i\right) \left(x - 2 i\right)$$

(((x + 2)*(x - 2))*(x + 2*i))*(x - 2*i)

Numerical answer [src]

-16.0 + y^4

-16.0 + y^4

Combinatorics [src]

                 /     2\
(-2 + y)*(2 + y)*\4 + y /

$$\left(y - 2\right) \left(y + 2\right) \left(y^{2} + 4\right)$$

(-2 + y)*(2 + y)*(4 + y^2)