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

A pyramid has cross-sectional shapes, taken parallel to its base, that are ______ to one another. A. equal B. equivalent C. congruent D. similar
how many 3 digit even number can be formed from the digit 1 2 3 4 5 6 and 6 can't be repeated ​
HELP ASAP Why is only a small amount of the energy stored in food available to the next organism in a food web or chain? There are more producers than consumer
Write a paragraph about on "The importance of Obeying law in the society".​
How many mL of 0.40 M barium chloride are needed to react 175 mL of 1.50 M ammonium phosphate in the precipitation of barium phosphate?
Need answer asap, correct answer will get brainliest.
If a penceil has 25 grams and a apple has 75 grams more then the penceil how many grams is the apple
Helpppppppppppppppppppppppppppppppppp!!!!!!!!!!!
how to find what percent 120 is of 449.99 (what percent is 120 of 449.99)
3. Why was Hannibal unable to win the war?