SOLUTION: Factor the polynomial by grouping z to the third power subtract 4z to the second power add 3z subtract 12 i grouped them but i have no idea what to do next

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Question 189682: Factor the polynomial by grouping
z to the third power subtract 4z to the second power add 3z subtract 12 i grouped them but i have no idea what to do next

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!

Start with the given expression


Group like terms


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

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