Answer

x^6-y^6

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

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

=(x-y)(x+y)[(x^2+y^2)^2-x^2y^2]

=(x-y)(x+y)(x^2+y^2+xy)(x^2+y^2-xy)

Steven Zheng posted 20 hours ago

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