Question

(x-1)(x+1)(x平方+1)(x4次方+1)=

Answer 1

(x-1)(x+1)(x平方+1)(x4次方+1)

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

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

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

=x^8-1