SOLUTION: (sqrt5 - sqrt7)^2
answer:12-2 sqrt 35
need a full break down of why the answer is 12-2 sqrt 35 i know that the foil method must be applied
Algebra.Com
Question 194902: (sqrt5 - sqrt7)^2
answer:12-2 sqrt 35
need a full break down of why the answer is 12-2 sqrt 35 i know that the foil method must be applied
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
(sqrt5 - sqrt7)
(sqrt5 - sqrt7) multiply
--------------------
5-sqrt35-sqrt35+7 [Now add the 2 terms 5+7=12]
[Add also the 2 -sqrt35 terms=2sqrt35]
12-2sqrt35 ans.
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