Which of the following expressions shows the simplest form of the expression 1/2(14-8x) 1/3x^2+5x

The simplest form of the expression 1/2(14-8x) would be (14-8x)/2 which can be simplified further to 7-4x.

The simplest form of the expression 1/3x^2+5x remains unchanged as it is already in its simplest form.