SOLUTION: Can you please explain how to factor this trinomial? r^3+2r^2-15r? I have tried and this is what I come up with but I don't think it is correct because it does not check out:
r^
Algebra.Com
Question 237791: Can you please explain how to factor this trinomial? r^3+2r^2-15r? I have tried and this is what I come up with but I don't think it is correct because it does not check out:
r^3-2r^2-15r
LCM=-3r,2r
(r^2-2r)(r-3r)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Can you please explain how to factor this trinomial?
r^3+2r^2-15r
--------------
Common factor: r
------
= r(r^2 + 2r - 15)
---
= r(r+5)(r-3)
==================
Cheers,
Stan H.
RELATED QUESTIONS
Write the expression in simplest form.
4r^2-25s^2
---------------... (answered by checkley71)
I need your help again!
Can you please factor this polynomial for me?
z³ -... (answered by ankor@dixie-net.com,ikleyn)
Please help!! I have tried to come up with a solution...but I am majorly stuck and... (answered by stanbon,nerdybill)
How do I come up with the answer to this problem 2 5/2 - 2 3/2. I have tried everything... (answered by fcabanski)
can you please explain this problem to me. I more or less have and idea but I can't come (answered by AnlytcPhil)
Find the other factor for the trinomial 28x²+57x+27 if one factor is (4x+3)
I have... (answered by Alan3354,rfer)
Dimensions of a Quarter. The circumference of a quarter is 7.85cm. What is the diameter?... (answered by stanbon)
{{{4x-2(x-4)=8 over 3}}} I tried doing this fraction problem
but it is suppose to come... (answered by fractalier)
This doesn't make sense...Someone help me please!The equation is:... (answered by lynnlo,tinbar)