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Please I need help with a math equation....x^3-3x^2+4=0 It is very important?

Update:

please not just the result but all the steps too, thank you

Update 2:

ANOTHER ANSWER PLEASE

1 Answer

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  • 1 decade ago
    Favorite Answer

    possible rational roots= ±1, ±2, ±4

    (x^3-3x^2+4)/(x+1)=x^2-4x+4

    (x+1)(x^2-5x+4)=0

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

    x=-1 or (x-2)^2=0

    x+2=0

    Answer: x={-1, 2 multiplicity 2}; the other answer was just missing the multiplicity 2

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