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Which expression are equivalent to X+2y+x+2 A)2(x+y+1) B)2x+4y+4 C)none of the above
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Which expression are equivalent to X+2y+x+2

A)2(x+y+1)
B)2x+4y+4
C)none of the above

User Krokodyle
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C none of the above. X has an invisible 1 in front of it. You have two of them so 2X nothing you can do with the rest but just bring it down. Answer is 2X + 2Y + 2.
User Aerim
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