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Mathematics 21 Online
OpenStudy (anonymous):

Solve using the square root method. Round the solution to the nearest tenth. x2 - 20 = 0

OpenStudy (bahrom7893):

(x-2sqrt(5))(x+2sqrt(5))=0

OpenStudy (bahrom7893):

x = +/- 2sqrt(5)

OpenStudy (vishal_kothari):

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