Смотри вложение) ниже
Решение:
6t³ · (2t⁶ - 3k) + 5 · (4t⁹ - 3k) = 6t³ · 2t⁶ - 6t³ · 3k + 5 · 4t⁹ - 5 · 3k =
= 12t⁹ - 18t³k + 20t⁹ - 15k = 32t⁹ - 18t³k - 15k
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Смотри вложение) ниже
Решение:
6t³ · (2t⁶ - 3k) + 5 · (4t⁹ - 3k) = 6t³ · 2t⁶ - 6t³ · 3k + 5 · 4t⁹ - 5 · 3k =
= 12t⁹ - 18t³k + 20t⁹ - 15k = 32t⁹ - 18t³k - 15k