morkat4 morkat4

03-10-2020
Mathematics

contestada

Which of the following lists the roots of ƒ(x) = x3 + x2 + 3x + 3?

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Alfpfeu Alfpfeu

04-10-2020

Hello,

-1 is a trivial root so we can put (x+1) in factor

[tex]f(x)=x^2(x+1)+3(x+1)=(x+1)(x^2+3)[/tex]

[tex]x^2+3[/tex] is never equal to 0 so the only root is -1

thanks

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