The correct answer is B) (2x-7)(x+4)=0. If you were to FOIL (First, Outer, Inner, Last) the answer, you would get 2x^2+1x-28=0. Step by step: (2x-7)(x+4)=0 FOIL it. 2x^2+8x-7x-28=0 Combine the two middle terms. 2x^2+1x-28=0 Move -28 and 1x over to the right side of the equation. 2x^2=28-x