SOLUTION: xy+10x-4y-40 factor by grouping

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Question 118849: xy+10x-4y-40 factor by grouping

Answer by jim_thompson5910(28598) About Me  (Show Source):
You can put this solution on YOUR website!

xy%2B10x-4y-40 Start with the given expression

%28xy%2B10x%29%2B%28-4y-40%29 Group like terms


x%28y%2B10%29-4%28y%2B10%29 Factor out the GCF x out of the first group. Factor out the GCF -4 out of the second group


%28x-4%29%28y%2B10%29 Since we have the common term y%2B10, we can combine like terms

So xy%2B10x-4y-40 factors to %28x-4%29%28y%2B10%29