Question

решите пж
а то я не понимаю

Answer 1

(x³-y³)²+2x³y³=(x²+y²)(x⁴+y⁴-x²y²)
(x³)²-2x³y³+(y³)²+2x³y³=(x²+y²)(x⁴+y⁴-x²y²)
(x⁶+y⁶)=(x²+y²)(x⁴+y⁴-x²y²)
(x²)³+(y²)³=(x²+y²)(x⁴+y⁴-x²y²)
(x²+y²)(x⁴-x²y²+y⁴)=(x²+y²)(x⁴+y⁴-x²y²)
(x²+y²)(x⁴+y⁴-x²y²)=(x²+y²)(x⁴+y⁴-x²y²)
Тождество доказано.