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

conclusion of tropical cyclone in different parts of the world

Do you think the second wave feminist movement achieved its goals? Why or why not?

6. After a man suffered a stroke, he was unable to use his left arm. What happened inside his body during the stroke that led to his losing the ability to use h

Science has had no negative impacts on society. Please select the best answer from the choices provided T F

Josh purchased 100 shares of XOM at the beginning of 2016. He received dividends per share of $1.37 (2016), $1.55 (2017), $1.66 (2018), $1.74 (2019), $1.85

What is the gravitational potential energy of a 150 kg object suspended 5 m above the earth’s surface?

What are the like terms in the expression 5x+9+4x

1.What is Enya’s intention for locating Zack’s Earth Science materials? 2.How does Enya use Zack’s Earth Science materials to help her study for her first and

whats this problem i need help

What is the circumference of the following circle when diameter = 9 cm