SOLUTION: factor: 4y^3+12y^2-y-3 Im confused because its a quadratic...

Question 505745: factor:
4y^3+12y^2-y-3
Im confused because its a quadratic...
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Start with the given expression

Group the terms in two pairs

Factor out the GCF out of the first group. Factor out the GCF out of the second group

Since we have the common term , we can combine like terms

Now factor to get (use the difference of squares formula)

So factors to

In other words,

Let me know if you need more help or if you need me to explain a step in more detail.
Feel free to email me at jim_thompson5910@hotmail.com
or you can visit my website here: http://www.freewebs.com/jimthompson5910/home.html

Thanks,

Jim
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