x^3+6x^2+3x+2=0

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x^3+6x^2+3x+2=0x^3+6x^2+3x+2=0x^3+6x^2+3x+2=0x1=-5.522333393x2=-0.238833303-i*0.552380666x3=-0.23883

x^3+6x^2+3x+2=0
x^3+6x^2+3x+2=0

x^3+6x^2+3x+2=0
x1= -5.522333393
x2= -0.238833303- i*0.552380666
x3= -0.238833303+i*0.552380666

不会算