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Mathematics 19 Online
OpenStudy (anonymous):

(2x)^2

OpenStudy (ajprincess):

(2x)^2=2x*2x

OpenStudy (anonymous):

I think here the x can include all real numbers! Any number can work here beccause of 4x^2 = 4x^2!

OpenStudy (anonymous):

Oops sorry! Mine is worng, I thought ajprincess' answer was the QUESTION! My bad, really sorry!!!

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