Question

Решите уравнение а) x³+x=0 б) x³ - 2x² = 0

Answer 1

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Answer 2

x3+x=0

x*(x2+1)=0

x=0

x2+1=0

x=0

x3-2x2=0

x2*(x+2)=0

x2=0

x+2=0

x=0

x=-2