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

Find the odds for and the odds against the event rolling a fair die and getting a 4 comma a 2 comma or a 3. a. The odds for the event are nothing to nothing.
What is the factored form of 2x^2-7x+6
The perimeter of a triangle is 69 cm. The measure of the shortest side is 5 cm less than the middle side. The measure of the longest side is 5 cm less than the
In one word, describe how a wave starts.​
At work Keith spends one-fifth it his time in planning and buying merchandise. He spends seven-twelfths of his time in customer service and one-twentieth of his
What expression is equivalent to 2^-3/2^-5?​
what nation did Texas break away from in the mid-1800s?
Woese a. was involved in determining rRNA sequences AND proposed breaking eukaryotes into domains Archaea and Bacteria. b. proposed breaking prokaryotes into tw
How are the atmosphere hydrosphere and lithosphere related in the biosphere?
1 3.3.4 Quiz: Origins and Alliances of the Cold War Question 4 of 10 2 Points By supporting pro-democratic governments against aggression, we can limit the spre