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OpenStudy (afrodiddle):
What is the exact value of the expression the square root 72. - the square root of 8. + the square root of 128.? Simplify if possible. I think it is 12the square root of 2.
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OpenStudy (afrodiddle):
Medal + fan for the person who checks my work :)
OpenStudy (babynini):
\[12\sqrt{2}\] Is exactly right :)
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