misstiger2058 misstiger2058
  • 03-01-2018
  • Mathematics
contestada

how would the expression x^3+8 be written using the sum of cubes

Respuesta :

Willchemistry
Willchemistry Willchemistry
  • 03-01-2018
Hey there!:

x³ + 8 :

Apply  sum of cubes rule :

x³ + y³ = ( x + y )( x² - 2x + 4 ) =

x³ + 8 =  ( x + 2 )( x² - 2x + 2² )  = 

refine :

x³ + 8 =  ( x + 2 )( x² - 2x + 4 )

hope this helps!


 
Answer Link

Otras preguntas

All the continents were joined together in a supercontinent that wgener's called...
Adaption that enables an individual to blend with its surrounding
what 18/25 as a percent and decimal
This is a substance used to identify the presence of protein. it is a blue solution that changes to pink-purple in the presence of proteins.
The blood illness that is caused by low iron is called: leukemia anemia diabetes tuberculosis
after working for 25 hours, Lamar made $375. After working 40 hours, Lamar made $600. Predict how much he would make after 10 hours of work?
Why is karana afraid to make weapons?
Once you acquire these two basic skills, you'll be able to transform a vague idea in your mind into a coherent piece of writing. What are these two basic skill
Make the following sentence more active : five books is the series have been writing by the author
Describe the flow of blood in the human body, including through each of the four chambers of the heart. hey...can someone help me with this lol, i dont really k