jorgegil jorgegil 19-02-2021 Mathematics contestada Which expressions are equivalent to 3(x + 3y + 2x − y )?3(3x + 2y) and 9x + 6y3(3x + 4y) and 9x + 12y3(x + 4y) and 3x + 12y3(x + 2y) and 3x + 6y