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

The first term of an arithmetic progres- sion is 3 and the last term is 9. Find the number of terms in the progression if the common difference is 3/2​
Premature babies born before 28 weeks are most likely to
How many units were started into production in a period if there were zero units of beginning work in process inventory, 4,714 units in ending work in process i
Find the area of the trapezoid. TOP 11ft, RIGHT4√3ft , BOTTOM 15ft ,LEFT 8ft
A 208.1 mL sample of gas exerts 574.6 mm Hg pressure at 44.4 ºC. What pressure does it exert at 68.1 ºC if the volume expands to 401.5 mL? a. 320 b. 457 c. 190
Who was responsible for Jesus' death and who actually crucified him? Use evidence.
Imagine that you're doing an experiment to determine how the running speed of a hamster depends on the weight of the hamster when plotting your data what variab
Read the excerpt from "Deucalion and Pyrrha” by Carla Nappi. And then he turned to her and she turned to him and they tried to speak. But they had spent so much
The Ferris Wheel has a diameter of 30 meters, the center is 19 meters off the ground and it makes 2 revolutions per min. Draw this Ferris Wheel, labeling the r
3/5x + 3 = 6 whats is x?​