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Mathematics 25 Online
OpenStudy (anonymous):

What are some general rules for knowing that an equation is always positive?

OpenStudy (anonymous):

For example: \[3x+12 \over4(x+3)^{3/2}\]

OpenStudy (anonymous):

there is no minus!

OpenStudy (zzr0ck3r):

blah = (another blah)^(2k) where k is some integer

OpenStudy (angela210793):

also |dw:1341991142947:dw|

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