which of the following quadratic equations has the solution set {1/2,5}? select all that apply.

A. (x+1/2)(x-5)=0
B. (x-5)(2x-1)=0
C. (x+5)(2x-1)=0
D. (-2x+1)(-x+5)=0
E. (x+1/2)(x+5)=0
F. (-2x+1)(x-5)=0