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

Mi prima Maite prepara su boda con mucha inteligencia. What manner adverb could you use to to describe the way Maite prepares her wedding? Maite prepara su boda
What was Michelle Obama’s relationship with her mother
2. Find the midpoint of the segment with the endpoints of A (-5,9) and B (-2,7). Find the distance between A and B.
When the United States was founded, who could vote? all American citizens all white men and women only white male property owners only men
The best way to revise sentence 1 is to add and after the comma add but after the comma delete the comma ?
1. Given that 4x²- 16x + 15 = a(x-p)²+ q for all values of x.(a) Find the values of the constants a, p and q.​
Hello, I currently need help with my writing.I need some tips for writing in spanish.​
give the full form of the following question Alu​
Four properties of water are listed. It is colorless and odorless in its pure form. It reacts with metals to form metal hydroxide and hydrogen gas. When heated
6. Find the MAGNITUDE and ANGLE (counter-clockwise, from q=00, on the x-axis) of the vector C = A + B.