(a+1)(a² -4)=(a²-a-2)(a+2)
а³--4а+а²-4=а³+2а²-а²-2а-2а-4
2а²-4а-4=2а²-4а-4- тождество верно
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Verified answer
(a+1)(a² -4)=(a²-a-2)(a+2)
а³--4а+а²-4=а³+2а²-а²-2а-2а-4
2а²-4а-4=2а²-4а-4- тождество верно
Verified answer
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