Ответ:
-12.
Объяснение:
4a-2(a+1)² = 4a-2(a²+2a+1) = 4a-2a²-4a-2 = -2a²-2 = -2(√5)²-2 = -2*5-2 = -10-2 = -12
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Ответ:
-12.
Объяснение:
4a-2(a+1)² = 4a-2(a²+2a+1) = 4a-2a²-4a-2 = -2a²-2 = -2(√5)²-2 = -2*5-2 = -10-2 = -12