Seudónimo Seudónimo
  • 02-04-2021
  • Mathematics
contestada

Find all the roots of the polynomial equation

x^3-2x^2+5x-10=0

Respuesta :

Аноним Аноним
  • 02-04-2021

Step-by-step explanation:

x^3+x^2+4x+4=0

x³+x²+4x=-4

x(x²+x+4)=-4

either

x=-4

or

x²+x+4=-4

x²+x+4+4=0

x²+x+8=0

comparing with ax² +bx+c

a=1

b=1

c=8

x={-1±√{1²-4×1×8}}/2×1

x={-1±√{-31}}/2

Answer Link

Otras preguntas

2. What were the origins of and the sources of support for the Whig Party and the Democratic Party?​
Which inference is best supported by the story about Ernest Shackleton? Answer choices for the above question A. He did not believe that exploration could be de
A baby alligator at the Henry Dooley zoo grew from 16 inches to 44 inches long in four months. Find the percent change. Is this percent increase or percent decr
what factors made Warren G Harding‘s presidency possible
En el gimnasio 1. A Mariana no le gusta hacer ejercicio. Lógico Ilógico 2. Mariana come frutas y verduras. Lógico Ilógico 3. Mariana va al gimnasio porque q
Câu 1. When getting into troubles, Jack never ____ on other people for help. He always solves them on his own. A. determines B. influences C. relies D. manages
Someone help me with this pls
have this done correctly for brainiest! ​
what is the main difference in measurement between behavioral checklists and behavioral observation?
Please help me answer this question