SOLUTION: (sqrt 5- sqrt7)^2
answer:12-2 sqrt 35 need a full break down on why the answer is 12-2 sqrt35
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Question 194011: (sqrt 5- sqrt7)^2
answer:12-2 sqrt 35 need a full break down on why the answer is 12-2 sqrt35
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
^2 = \left(\sqrt{5}-\sqrt{7}\right)\left(\sqrt{5}-\sqrt{7}\right))
Just multiply using FOIL and collect terms.
John
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