Предмет: Алгебра, автор: siptaewa

помогите Решите уравнения x4+5x3+4x2-24x-24=0

Ответы

Автор ответа: mmb1

x4+5x3+4x2-24x-24=0
x4+x3+4x3+4x2-24x-24=x3(x+1)+4x2(x+1)-24(x+1)=(x+1)(x3+4x2-24)=(x+1)(x-2)(x2+6x+12)=0
x=-1
x=2

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