Предмет: Математика, автор: annailina69

b(b-3)(b+3)-(b-1)(bво второй степен+b+1

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Автор ответа: elis18rus

0

b(b-3)(b+3)-(b-1)(b²+1)
b(b²-9)-(-b³-1)
b³-9b-b³-1
-9b-1
-8b

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