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X^3+3X^2+2X=0

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1 Answer

x3 + 3x2 + 2x = 0

x(x2 + 3x + 2) = 0 

x(x + 1)(x + 2) = 0

Roots:

x1 = 0 

x + 1 = 0 ===> x2 = - 1

x + 2 = 0 ===> x3 = - 2