Ответ:
1) ( a - 2 ) ( a² + 2 a + 4 ) = a³ - 8
2) ( x + 2 y ) ( x²- 2xy + 4y² ) = x³ + 8y³
3) ( 4 + b ) ( 16 - 4 b + b² ) = 64 + b³
4) ( 3 a - 2 b ) ( 9 a² + 6ab + 4 b² ) = 27а³ + 18 а² + 12ab² - 18a²b - 12ab² - 8 b³
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Answers & Comments
Ответ:
1) ( a - 2 ) ( a² + 2 a + 4 ) = a³ - 8
2) ( x + 2 y ) ( x²- 2xy + 4y² ) = x³ + 8y³
3) ( 4 + b ) ( 16 - 4 b + b² ) = 64 + b³
4) ( 3 a - 2 b ) ( 9 a² + 6ab + 4 b² ) = 27а³ + 18 а² + 12ab² - 18a²b - 12ab² - 8 b³