alixxhhcalixxhhc alixxhhcalixxhhc
  • 01-08-2016
  • Mathematics
contestada

f(x) = x3 + 4x2 + x − 6 real zeros

Respuesta :

caylus
caylus caylus
  • 01-08-2016
Hello,

f(x)=x^3+4x²+x-6
=x^3-x²+5x²-5+x-1
=x²(x-1)+5(x-1)(x+1)+x-1
=(x-1)(x²+5x+5+1)
=(x-1)(x²+2x+3x+6)
=(x-1)(x(x+2)+3(x+2))
=(x-1)(x+2)(x+3)

Zeros are  1,-2,-3.

Answer Link

Otras preguntas

Mark each statement if it correctly describes facts about China during the Sui dynasty. A. Under the Sui dynasty, China entered a golden age. B. The Sui
Please help!!!! How closely does the Jewish calendar coincide with the solar calendar every 19 years? Be specific and explain.
Definition of refute
What was the purpose of Project Mercury?
what are the 2 greatest common factors of 32?
A what is a humorous tale popular in 29 literature? comitatus, dream-vision, fabliau, or mock-heroic.
Which set of lines in this excerpt from Andrew Marvell's "To His Coy Mistress" contains a biblical allusion? I would Love you ten years before the Flood, And
Why did Chavez once say that acting in a nonviolent way is the “truest act of courage”?
Where are traditional economies usually found? a. in small communities that welcome change b. in large communities that welcome change c. in large communitie
what greater 9.526 or 95.26