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OpenStudy (anonymous):
(2sqrt5 + 3sqrt7)^2
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OpenStudy (anonymous):
are you trying to expand the equation?
OpenStudy (anonymous):
Trying to simplify it
OpenStudy (anonymous):
By any chance can you explain what they did after 20 + 2\sqrt{20*63}+63? I understand how they got 83 but not 12sqrt35...
OpenStudy (anonymous):
|dw:1352931791280:dw|
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