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Mathematics 20 Online
OpenStudy (quickstudent):

Is this correct?

OpenStudy (quickstudent):

OpenStudy (anonymous):

whoa what grade is this

OpenStudy (quickstudent):

9th

OpenStudy (misty1212):

B and C

OpenStudy (misty1212):

\[x^2-4=(x+2)(x-2)\]

OpenStudy (anonymous):

il go with b

OpenStudy (quickstudent):

Thanks!

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