(c + 3)² + (c - 7)(c +1) = c² + 6c + 9 + c² + c - 7c - 7 = 2c² + 2
Ответ:
2c^2+2
Объяснение:
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Verified answer
(c + 3)² + (c - 7)(c +1) = c² + 6c + 9 + c² + c - 7c - 7 = 2c² + 2
Verified answer
Ответ:
2c^2+2
Объяснение: