Read each question. Then write the letter of the correct answer on your paper.
Which expression equals 5 x / x² -9 - 4 x / x² +5 x+6 ?
(A) 7 x / (x-3)(x+3)(x+2)
(B) x² -2 x / (x-3)(x+3)(x+2)
(C) x² +22 x / (x-3)(x+3)(x+2)
(D) 9x² -2 x / (x-3)(x+3)(x+2)