furtherlisk furtherlisk
  • 16-11-2020
  • Mathematics
contestada

Explain how to use a polynomial identity to factor x^6-27y^3

Respuesta :

LammettHash
LammettHash LammettHash
  • 16-11-2020

This is a sum of cubes:

x⁶ - 27y³ = (x²)³ + (-3y)³

Recall that

a³ + b³ = (a + b) (a² - ab + b²)

So we have

x⁶ - 27y³ = (x² - 3y) ((x²)² - x² (-3y) + (-3y)²)

x⁶ - 27y³ = (x² - 3y) (x⁴ + 3x²y + 9y²)

Answer Link
jayfrostman jayfrostman
  • 16-11-2020
Dont really no sorry
Answer Link

Otras preguntas

Materials that are poor conductors of thermal energy are called..... Materials that are good conductors of thermal energy are called ...
differenciate by first principles f(x) = 4x²-4x-3
Why are different constellations of stars seen during different seasons?
Cite examples of organisms that reproduce sexually and those that reproduce asexually
What was the South’s greatest concern when California applied for statehood? A-The South feared it would lose power and influence in the Senate. B-The South fea
reasons why using mirrors to generate electricity is not a common practice.
what is the sum of 1/4  and 1/7
Cite examples of organisms that reproduce sexually and those that reproduce asexually
reasons why using mirrors to generate electricity is not a common practice.
Why are different constellations of stars seen during different seasons?