Question

FACTOR: x^4-1

Answer 1

x^4-1


(x^2)^2-(1)^2


(x^2-1)(x^2+1)


(x-1)(x+1)(x^2+1)


So x^4-1 = (x-1)(x+1)(x^2+1)

Answer 2

\[\Huge (x-1) (x+1) (x-1i) (x+1i) \]

Answer 3

(x^2-1)(x^2+1)=(x-1)(x+1)(x^2+1)