SOLUTION: Factor completely by grouping. -36x^2 + 4x^2 - 80x

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Question 157487: Factor completely by grouping.
-36x^2 + 4x^2 - 80x

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Start with the given expression


Combine like terms.


Factor out the GCF


So factors to

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