Question

Решите уравнение:x3+3x2-25x-75=0

Answer 1

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Answer 2

Спасибо))

Answer 3

x3+3x2-25x-75=0
x²(x+3)-25(x+3)=0
(x-5)(x+5)(x+3)=0
x=5
x=-3
x=-5