SOLUTION: I want to factorise this polynom
x^3 - 8
The answer should be (x - 2 )(x^2 + 2x + 4)
I want to know the method please
Thank you
Algebra.Com
Question 537712: I want to factorise this polynom
x^3 - 8
The answer should be (x - 2 )(x^2 + 2x + 4)
I want to know the method please
Thank you
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression.
Rewrite as . Rewrite as .
Now factor by using the difference of cubes formula. Remember the difference of cubes formula is
Multiply
-----------------------------------
Answer:
So factors to .
In other words,
If you need more help, email me at jim_thompson5910@hotmail.com
Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you
Jim
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