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Mathematics 13 Online
OpenStudy (anonymous):

Wrong or right? Solve. x2 - 4x = 0 x = 0 and x = -4

hartnn (hartnn):

nopes.

hartnn (hartnn):

how u got that ?

hartnn (hartnn):

just a sign mistake...

OpenStudy (anonymous):

Let me check... :/

OpenStudy (anonymous):

x = 4 and x = 0

hartnn (hartnn):

now that is correct :)

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