Question

How to factorise x^5-y^5 ?????

Answer 1

(x-y)(x^4+x³y+x²y²+xy³+y^4)

Answer 2

$x^{5}-y^{5} = (x-y)(x^{4}+x^{3}y+x^{2}y^{2}+xy^{3}+y^{4})$