Asked by Anonymous
                f(x) = x3  +  2x2  – 0.4X  – 1
how do you you factor this?
            
        how do you you factor this?
Answers
                    Answered by
            Reiny
            
    Is this supposed to be
f(x) = x^3 + 2x^2 - .4x - 1 ??
This does not factor, since
x^3 + 2x^2 - .4x - 1 = 0 does not have rational roots
    
f(x) = x^3 + 2x^2 - .4x - 1 ??
This does not factor, since
x^3 + 2x^2 - .4x - 1 = 0 does not have rational roots
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