Seudónimo Seudónimo

26-04-2020
Mathematics

contestada

help please! I must solve using descartes law of signs or rational root theorem. show all steps please thanks!

help please I must solve using descartes law of signs or rational root theorem show all steps please thanks class=

Respuesta :

LadishCat LadishCat

26-04-2020

Answer:

x=2 or x=3

Step-by-step explanation:

x^4 - 5x^3 + 7x^2 - 5x + 6 = 0

Step 1=Factor left side of equation.

(x-2) (x-3) (x^2 + 1) = 0

Step 2=Set factors equal to 0.

x-2 = 0 or x-3 = 0 or x^2 + 1 = 0.

Answer:x=2 or x=3

Answer Link

Otras preguntas

Help! I will Award Brainlist it's A Math Question Point C maps to which point?

Sam takes an IQ test. The test result shows that his mental age is identical to his chronological age. What is his IQ score

How many 5th equals 9

In a country, business and industry are PRIVATELY owned.

[tex] \displaystyle \rm \int_{0}^{ \infty } \sum_{n = 0}^{ \infty } \frac{( - 1 {)}^{n} \: {x}^{2n + 1} }{ {2}^{n} \cdot n!} \sum_{n = 0}^{ \infty } \frac{ {x}^

28 points quickly What was a characteristic of economic development in the South?a diverse economy based on industry and agriculturea focus on new technology to

A rope is wrapped around a pulley many times. The pulley can be modeled as a solid disk of radius R and mass M, and a mass mA hangs vertically from the pulley.

why is the sun cold how can my fish walk and why does my dog talk

What is the surface area of this figure?

A two-way frequency table shows grades for students in college and students in high school: high school college total gpa above 3.0 14 26 40 gpa below 3.0 46 14