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Mathematics 8 Online
OpenStudy (anonymous):

Question in file :)

OpenStudy (anonymous):

OpenStudy (anonymous):

I don`t get how you went from the first step to the second...would n`t 2*2 be 4 and the answer be 7/4?

OpenStudy (ajprincess):

(x-y)(x+y)=x^2-y^2 Nw using this. |dw:1338621266241:dw|

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