Предмет: Алгебра, автор: skopincevakira

Спростіть вираз та знайдіть його значення (а^3-2)(а^3+2)-(а^3+3)^2, якщо а=-2

Ответы

Автор ответа: ludmilaksenija2005

Объяснение:

a= -2 ;

(a³-2)(a³+2)-(a³+3)²=

=(a⁶-4)-(a⁶+6a³+9=a⁶-4-a⁶-6a³-9=

= -6a³-13= -6•(-2)³-13= -6•(-8)-13=

= 48-13=35

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