Question

Упростите выражение : (x-y)(x+y)(x^2+y^2)

Answer 1

=(x²-y²)(x²+y²)=x⁴-y⁴.

Answer 2

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