The perimeter of a square is represented by the expression 32x - 12.8. Which of the following expressions is not equivalent to the perimeter? 4(8x - 3.2) 4(8x - 3.2) (8x - 3.2) + (8x - 3.2) + (8x - 3.2) + (8x - 3.2) (8x - 3.2) + (8x - 3.2) + (8x - 3.2) + (8x - 3.2) 32x - 12.8 32x - 12.8 -12.8x + 32