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

report writing about garbage disposal
____ has contributed the greatest number of immigrants to the United States. france england germany ireland
what is the quotient of 43.8 and 12
Which is a compound? water iodine air calcium
explain the function of ribosomes and why cells need them
In Act III, Scene 1, who hears these words from Titania? Thou art as wise as thou art beautiful. A. Puck B. Oberon C. Bottom D. Peaseblossom
Which of the following is common for someone in stage two of HIV? A. abdominal pain and chronic pelvic pain B. diarrhea, fever, and fungal infections C. flu sym
In the village of Moon there are three weavers, two bakers, and a jeweler. The village has a granary as well as an open air market where most residents buy thei
(5y^4-3y^3+2y^2-6y+5)+(-3y^+6y^3-4y^2-4y-8) can someone simplify that
which quantity identifies an element? 1. Atomic number 2. Mass Number 3. total number of neutrons in an atom of the element 4. total number of valence electro