nurulfalisha nurulfalisha

04-08-2021
Mathematics

contestada

plss helppp!!

pls show how is it done

solve the equation :

x³ = 3x² + 3x - 1

Respuesta :

mhanifa mhanifa

04-08-2021

Answer:

x³ = 3x² + 3x - 1
x³- 3x² - 3x + 1 = 0
(x³ + 1) - 3x(x + 1) = 0
(x + 1)(x² - x + 1 - 3x) = 0
(x + 1)(x² - 4x + 1) = 0
(x + 1)(x² -4x + 4 - 3) = 0
(x + 1)((x - 2)² - (√3)²) = 0
(x + 1)(x - 2 + √3)(x - 2 - √3) = 0

x = -1
x = 2 - √3
x = 2 + √3

Answer Link

Otras preguntas

8x = 2x + 30 What is the value of 'x'?

List of weapons used by JTF2?

A scale on a map shows that 2 inches = 25 miles. Part A How many inches on the map represents 60 miles? Part B How many miles is represented by 1/4 inch on

1/3, 7%, 0.68 in least to greatest

Which words in the sentence are the infinitive? When we go to the ice cream shop, I find it is too hard to decide. A. to decide B. When we go C. to the ice crea

Which statement is true of creole dialect? A.its use is restricted to legal and official contexts. B.it is spoken exclusively on a small, remote island. C.its v

Which sentence is punctuated correctly? A. I ate one-half of that large meatball sandwich. B. Laura has seen only twenty five minutes of the hour-long televisio

Part of the process of the domestication of animals included selective breeding. Which of the following best describes selective breeding? breeding as many anim

Canada has ten provinces that share power with the central government. Which of the following terms best describes this characteristic of Canada?

What is a group of bats called