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

An object starts from rest and undergoes uniform acceleration. From 3.44s to 9.49s it travels 2.9m. What is the average velocity of the object during the time i
Match the blue, yellow and orange boxes with a novice
Which contributions did Galileo make to the model of the solar system? Select two options. 0 A mathamatical model for the orbits of the planet. 0 scientifically
need help !! Please somebody help
Help please!! I would appreciate it:)
Is the following relation linear, quadratic, or cubic? If it is linear, find the equation. Explain your reasoning and include all of your work in your final ans
Give some examples of descriptive paragraphs. ​
The Clear-Bell Cell phone company has a plan that costs customers $29.99 for a monthly service fee plus 3¢ per minute used. a. Write a linear equation to model
The Difference of twice a number(n) and 7 is 9
Sandra's bicycle is old and rusty. Her parents won't buy her a new one unless she does more chores around the house. Sandra's dad said he will buy a new bicycle