SOLUTION: explain how to factor by grouping this problem. 3a3 + 2a2+6a+4=

Question 687075: explain how to factor by grouping this problem.
3a3 + 2a2+6a+4=
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

So factors to

In other words,

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