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Verified Answer :

kmHart

4(x - 2) is different from the others, due to the distributive property of multiplication. All of the other options can be simplified into (or already are) 4x - 2. 4(x - 2), however, would simplify into 4x - 8.

So 4(x - 2) is your answer.

Kaustav

4(x-2) are not equivalent to other three.
It has the value of 4x-8 which is different from other three.
The value of other three expression is 4x-2.

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