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OpenStudy (anonymous):
Simplify (2 sqrt 5+ 3 sqrt 7)^2
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zepdrix (zepdrix):
\[(2\sqrt5 +3\sqrt7)^2=(2\sqrt5 +3\sqrt7) (2\sqrt5 +3\sqrt7)\] Do you know how to expand this out? :D
OpenStudy (anonymous):
I don't understand any of it :c
zepdrix (zepdrix):
|dw:1351285200815:dw|
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