sarahedingess sarahedingess

25-01-2021
Mathematics

contestada

Samantha has the equation x^3+2x^2+x=x^3-x. explain how she can find the solution of the equation then solve the equation.

Respuesta :

ngoa1575 ngoa1575

25-01-2021

Answer:

x =+-1

Step-by-step explanation:

x^3+2x^2+x=x^3-x

(x^3-2x^2)-(x-2)=x(x^2-1)

x^2(x-2)-(x-2)=x(x^2-1)

(X^2-1)(x-2)=x(x^2-1)

(x+1)(x-1)(x-2)=x(x-1)(x+1)

(x+1)(x-1) ((x-2)-x)=0

-2(x+1)(x-1)=0

x =+-1

Answer Link

Otras preguntas

What is the sum of r+s, when r = –14.1 and s = 18.3? a. –32.4 b. –4.2 c. 4.2 d. 32.4

Kyle ran the 200 yard dash in 40 seconds. How many feet can Kyle run each second?

At the outset of the secessionist movement in the south, which state defeated the cooperationist argument that the south should act as a unit? a. Kentucky b.

Sedentary people tended to pasture livestock from region to region. a. True b. False

Who was considered the greatest leader of the Nez Perce people? A. Crazy Horse B. Geronimo C. Sitting Bull D. Chief Joseph

why would a baker of hot dog buns package 7 hot dog buns to a package if 8 hot dogs come in a package?

which of the following is an example of an exploitation colony

after the play-----several critics made scathing comments about it A) succeeded B) opened C) closed D) bombed

How to write 27.346 in expanded form

Cube A has a volume of 2cm x 2cm x 2cm. what is its density