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Find all real and imaginary roots of the polynomial equation 3x^4-x^3+4x^2-2x-4=0

2 answers

a little synthetic division shows that

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

that should help

oops my bad

(x-1)(3x+2)(x^2+2)

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