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Mathematics 23 Online
OpenStudy (anonymous):

-what is 3y.3y

OpenStudy (killuaxzoldyck):

3y*3y?

OpenStudy (killuaxzoldyck):

3y(3)y =3*y*3*y =9*y2 =9y2

OpenStudy (mrnood):

multiplication is 'commutative' - the order doesn't matter SO 3y.3y = 3*3 *y*y can oyu go from there?

OpenStudy (killuaxzoldyck):

Do you understand though?

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