Ответ:
(a+2)(a-2)(a²+4)-(6+a²)=(a²-4)(a²+4)-6-a²=a⁴-16-6-a²=a⁴-22 -a²=a⁴-a²-22
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Ответ:
(a+2)(a-2)(a²+4)-(6+a²)=(a²-4)(a²+4)-6-a²=a⁴-16-6-a²=a⁴-22 -a²=a⁴-a²-22