SOLUTION: I need to solve this and I am lost. (-y-3x)(-y+3x)

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Question 852878: I need to solve this and I am lost. (-y-3x)(-y+3x)
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!



Use the idea that


Distribute














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So expands and simplifies to


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