× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
5
o
5
4
m
4
b
4
x
4
a
4
l
4
t
4
S
4
m
3
s
3
New Topic  
lexieanderson01 lexieanderson01
wrote...
Posts: 2
Rep: 0 0
9 years ago
I need help factoring cubes. How would I factor k^6-125?
Read 227 times
1 Reply

Related Topics

Replies
wrote...
Valued Member
On Hiatus
9 years ago
We have: (a3-b3)=(a-b)(a2+ab+b2)

In your case: a3=k6=(k2)3 and b3=125=53
So, a=k2 and b=5

You will apply this: a3-b3=(a-b)(a2+ab+b2) but instead of a you will put k2 and instead of b you will put 5.

New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1103 People Browsing
Related Images
  
 134
  
 249
  
 253