SOLUTION: My question is 5x^3-1080 and I have to factor completely
The furthest that I've gotten is 5(x^3-216) and my notes aren't really helping me.
Thanks for the help, this is really
Algebra.Com
Question 565162: My question is 5x^3-1080 and I have to factor completely
The furthest that I've gotten is 5(x^3-216) and my notes aren't really helping me.
Thanks for the help, this is really confusing me.
Found 2 solutions by jim_thompson5910, mananth:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Let's factor
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
So factors to .
In other words,
-------------------------------------------------------
So becomes
This means that fully factors to
In other words,
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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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Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
You have to use the difference of two cubes formula
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