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

Who was the 3rd president
What is 2D design please can you write a step by step answer of how you would go about using it .
What is the value of f(-3)? F(x) = 7-x if x ≤ -2 4x^2 if -2 < x ≤ 0 |x| + 9 if x > 0
What does Senator Kaine argue is Congress's proper role in the war against ISIS?
What would NOT be part of making a comparison? Select the best answer from the choices provided. A. determining the prices B. determining her budget C. deter
what is the molecular formula of a compound with the empirical formula of P2O3 and a gram molecular mass of 284 grams?
Monopolies are judged by how strong the competition is. True or False
which civilization created the art shown here
A square playground is surrounded by a sidewalk on all sides. The sidewalk is 2n+3 yards long on each side of the park. The sidewalk is 0.5 yard wide. What is t
The train left terminal at 11:20 a.M. And arrive at its destination at 2:40 p.M. Long did the train travel?