SOLUTION: multiply (2x+7y)(2x-7y)

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Question 320553: multiply (2x+7y)(2x-7y)
Found 2 solutions by solver91311, jim_thompson5910:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


This is the product of two conjugates. The product is the difference of two squares. Follow the pattern:



John

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
which means that %282x%2B7y%29%282x-7y%29=4x%5E2-49y%5E2